Stars seem to disappear from the city skyline at night due to light pollution caused by artificial lights.
What is light pollution?It is the excessive or less use of artificial light that disrupts the natural patterns of wildlife, disrupts human sleep, and conceals the stars in the sky.
Why do stars disappear from the city skyline?It is because in the city skyline there is excessive use of artificial lights and there is not a portion left which is not encroached by artificial lights.
Hence, option d) light pollution is the correct answer.
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Which action is harmful to organisms living in water ecosystems
PLEASE ANSWER QUICK>>>>>Explain how enherited traits are determined
Answer:An inherited trait is one that is genetically determined. Inherited traits are passed from parent to offspring according to the rules of Mendelian genetics. Most traits are not strictly determined by genes, but rather are influenced by both genes and environment.
Explanation:
Use the concept of negative feedback to explain body temperature control in humans.
Answer:
Negative feedback is a vital control mechanism for the body's homeostasis. ... When body temperature drops, the hypothalamus initiates several physiological responses to increase heat production and conserve heat: Narrowing of surface blood vessels (vasoconstriction) decreases the flow of heat to the skin.
what is an outcome of lack of oxygen?
Answer:
Blood carries oxygen to the cells throughout your body to keep them healthy. Explanation:
Hypoxemia can cause mild problems such as headaches and shortness of breath. In severe cases, it can interfere with heart and brain function. Hypoxemia that causes low oxygen levels in your body's tissues is called hypoxia.
The outcome of lack of oxygen To maintain your body's cells healthy, blood provides oxygen to every cell.
What is cell ?The smallest unit that can sustain life on its own and makes up all living things, including the body's tissues. The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell. The substances that enter and leave the cell are governed by the cell membrane, which encloses the cell.
There are two different types of cells: prokaryotic cells, which lack a nucleus but still have a nucleoid area, and eukaryotic cells, which have a nucleus. Eukaryotes can either be single-celled or multicellular, in contrast to prokaryotes, which are single-celled organisms.
From bacteria to humans, cells give all living things their structure and functionality. They are regarded as the tiniest form of life by scientists.
Thus, To maintain your body's cells healthy, blood provides oxygen to every cell.
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Which of the following is a consequence of humans using fossil fuels?
A. All of these
B. Destruction of habitats
c. More severe storms
D. Rising sea level
Answer:
A
Explanation:
got it right on edge
Draw a picture or write a sentence using these words to show how they are related.
DNA, Trait, Alleles, Protein, Genes
Answer:
DNA
Explanation:
PLEASE GIVE ME A HEART
HELP ASAP I NEED HELP! I WILL GIEV BRAINLIEST CROWN
picture below
Which provides the most direct source of energy for a hurricane?
O warm ocean water
O rising, swirling winds
O heating of the air by the sun
O friction with the ground
2 Grant wants to find the odor of a
substance. Which of his senses will
he use to find the odor of the
substance?
A sight
B touch
C smell
D hearing
A helpful shortcut our brain makes in scene recognition is to assume that lighting comes from:
Answer: A. Above
Explanation:
Scientists believe that in order for humans to see things, the brain has to make certain assumptions which are done based on previous scenes that it has interpreted before because the eyes do not provide it with complete data. .
One of those assumptions is that light comes from above which is why the shape of a picture can change depending on the lighting in it.
Which process is not caused by the movement of Earth's plates?
A ocean island formation
B chemical weathering
C mountain building
D volcanic eruption
What is a Sedimentary Rock?
rock that forms when existing rock changes to a new rock because of heat and pressure
⊝
rock that forms by the process of compaction and cementation of sediments
⊝
rock that forms when melted rock (magma, lava) cools and hardens
Answer:
rock that forms when existing rock changes to a new rock because of heat and pressure
Which of the following are true of enzymes?
Specific enzymes can only facilitate one or two reactions.
Enzymes are not changed by facilitating a reaction.
Enzymes lower the activation energy of a reaction.
Each specific enzyme can facilitate many different reactions.
Enzymes are specialized proteins.
Enzymes raise the activation energy of a reaction.
Answer:
Enzymes raise the activation energy of a reaction
Predict one possible problem with a DNA molecules' structure that could occur.
Answer: DNA damage due to environmental factors
Explanation:
DNA is a genetic material present in the cell of living organisms. The DNA can be damaged by the environmental factors which can induce mutations in the structure of the DNA further affecting the function. The environmental factors like ultraviolet rays, chemicals, ionizing radiation can damage the structure of the DNA. For example, the chemical may contain alkylating agents which can cause the hydrolysis of the chemical bonds in the DNA.
Think about your daily water use. Where could you conserve
Answer:
by taking a shorter shower to use less water
Are most human sex-linked traits, Y-linked
or X-linked?
Answer:
Most human sex-linked traits are X-linked and not Y-linked
Explanation:
Where would you expect a maritime tropical air mass to originate?
Answer:
Maritime tropical air masses originate over the warm waters of the tropics and Gulf of Mexico, where heat and moisture are transferred to the overlying air from the waters below.
Explanation:
A)
Glassy sweeper and squirrelfish
B)
Glasseye snapper and spotted eagle ray
C)
Spotted goatfish and bandtail puffer
D)
Peacock flounder and glassy sweeper
Answer:
A) Glassy sweeper and squirrelfish
Explanation:
Question 4(Multiple Choice Worth 5 points)
(LC)
What was one conflict that was resolved in the resolution?
The characters learned to respect each other enough to discuss why the boy tried to grab the purse.
Mrs. Jones took care of the boy's hunger.
The boy asked for the money to buy shoes.
Mrs. Jones taught the boy to have manners.
The answer is the boy asked for money
Answer:
The characters learned to respect each other enough to discuss why the boy tried to grab the purse.
Explanation:
In the short story "Thank You, Ma'am" by Langston Hughes, a young, hungry boy was about to rob a woman of her purse. But as circumstances would turn out, he was unsuccessful in that attempt but then learned a valuable lesson from the very woman he had targeted.
One conflict that was resolved in the resolution was that both of the characters, Mrs. Luella Bates Washington Jones and Roger, learned to respect one another. By her act of inviting him to her home and preparing food for him, Roger also came to respect and trust the woman. It was this faith that helped them discuss the events that led to Roger's failed attempt of robbing Mrs. Jones, and Roger left the house with a sense of appreciation and a change of heart.
Thus, the correct answer is the first option.
How much space is there between particles of frozen water?
Explanation:
When water turns to ice, it expands/contracts
The (molecules) in water is more tightly packed than in ice, so water has greater density than ice. Don't let the fact that ice is a solid fool you!
When humans dig-up fossil fuels and burn them to power the modern world, carbon flows between which two reservoirs of the carbon cycle? * A. Hydrosphere and biosphere B. Geosphere/lithosphere and atmosphere C. Atmosphere and biosphere D. Hydrosphere and geosphere/lithosphere
Answer:
B
Explanation:
When humans dig-up fossil fuels and burn them to power the modern world, carbon flows between the Geosphere/lithosphere and the atmosphere.
Both the geosphere and the atmosphere represent important reservoirs of carbon. The digging-up of fossil fuels, otherwise known as exploration, is carried out in the geosphere or the lithosphere part of the earth. For example, crude oil is obtained deep from the ground. When the fuels are burned, they release carbon in the form of carbon dioxide into the atmosphere.
Hence, it can be concluded that carbon flows from the geosphere/lithosphere part of the earth to the atmospheric portion of the earth when fossil fuels are burned.
The correct option is B.
It would be best to use a collecting net to catch which of the following insects?
A. Ground Beetles
B. Gnats
C. Ants
D. Grasshoppers
Answer:
d. grasshoppers
Explanation: ground beetles dont fly or anything like that. gnats are to small for a net. ants are also to small for that
What is this a picture of
chromatin
sister chromatids
homologous pair
single strand of DNA
Explanation:
sister chromatids
a farmer sprays his crops once a week with pesticides to kill beetles. he noticed that the pesticide he used last year is not killing the beetles this year . the beetles have evolved which strategies would best way to stop the evolution of pesticide resistant beetles?
what are osmosis..in 50 words
Osmosis is a passive process and happens without any expenditure of energy. It involves the movement of molecules from a region of higher concentration to lower concentration until the concentrations become equal on either side of the membrane.
Any solvent can undergo the process of osmosis including gases and supercritical liquids.
Let us have a detailed look at the different types and effects of osmosis in detail.
Help!!!!!!!!!!!!!!!1
Answer:
B
Explanation:
Most logical answer.
What does a number in front of a molecular formula stand for???????
Explanation:
The small number behind each element symbol designates the number of atoms of each element in a chemical formula. If there is no number, it is assumed there is only one of those elements. A large number designates how many units there are of that compound.
Answer:
Element's number of atoms in a chemical formula
Explanation:
The small number behind each element symbol indicates each element's number of atoms in a chemical formula. If there is no number, it is assumed there is only one of these elements. A huge numeral in front of a compound designates whereby many units there are of that compound.
What is one difference between natural selection and artificial selection?
a)Natural selection involves humans; artificial selection does not involve humans
b)Natural selection does not involve humans; artificial selection involves humans
c)Natural selection takes longer than artificial selection
d (Artificial selection only involves plants; Natural selection only involves animals
Answer:
B
Explanation:
Natural selection and selective breeding can cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason, selective breeding is sometimes called artificial selection.
1. Which human activity would preserve nonrenewable resources? *
A. deforestation
B. recycling
O c. heating home with fossil fuels
Answer:
B recycyling
Explanation:
The resources which are present in a limited amount and must be used carefully are called nonrenewable resources. For example - petrol, coal, and etc.
The correct answer is B.
There are many activities that help humans preserve non-renewable resources because they are present in a very limited amount.
For example, the amount of coal is limited on the earth. we have to reuse it and recycle it and its end product.
Hence, the correct option is B that is recycling.
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Male and female reproductive cells are collectively known as:
Spores
Gametes
Pollen
Offspring
Answer:
gametes is the answer so the male and female reproductive cells are collectively know as gametes
Answer:
b gametes
Explanation:
These sex cells are also called reproductive cells or gametes.