Could you please help got this wrong twice.

The Arctic Ocean is considered part oftheA. atmosphere.B. troposphere.C. lithosphere.D. hydrosphere. A scientist is studying an aquarium ecosystem that contains water, plants, and fish that eat those plants. The aquarium has glass walls so light can get in, but it is sealed so no material can move into or out of the tank. When the scientist turned the aquarium's light on, carbon dioxide in the water started decreasing. How is carbon moving and what is happening to the amount of carbon in the living things inside the aquarium? Explain your thinking as completely as possible.PLEASE PLEASE PLEASE CAN SOMEONE HELP ME WITH THIS QUESTION!!!IT'S DUE IN LESS THAN 15 MINUTES ipaliwanag itosa matatag, mapagmalasakit, at mapagkatiwalaang pamahalaan, nakasalalay ang kaunlaran ng bayan the enclosures in which animals are kept in reserves like the masai mara and at the london zoo are different.use details from both sources to write a summary of the different enclosures. HELPP PLEASE 50 POINTS Tucker bought some envelopes plain envelope cost twenty-five cents each decorative envelopes cost $0.45 each. he bought at least one plain envelope and at least one decorative envelope he spent exactly the same amount on Plain envelopes as on decorative envelopes. before taxes added what was the least total amount he could have spent?A. 1.40$B. 2.30$C. 3.10$D4.50$ Which adjective best describes Mr. White's character?A. UnkindB. WiseC. ResponsibleD. Reckless i made this drawing. what do you think? solve pls brainliest This is my best friend _ I stayed during the summer holiday.A. with whoB. with thatC. with whomD. who Find A and B if Cos(A - B) = (sqrt(3))/2 ; Sin(A + B) = 1 a number, n is multiplied by -5/8 the product is -0.4 how would you set this up to solve Does Plato check for copy and pasted answers? And if they do will the contact the school about it? the atlanta braves are offering bobblehead to every 10th person who enters your fundraiser. the nashville predators are offering a free ticket to every 15th person who enters the fundraiser. how many attendees must come before someone receives both bobblehead and a ticket? chandra is constructing a weighted bookend for her shelf. it is a hollow rectangular prism, as shown, and she will fill it with sand to weigh it down Given various values of the linear functions f(x) and g(x) in the table, determine the y-intercept of (f- g)(x).X -6 -4 -1 3 4f(x) 15 115 -3 -5g(x) -36 -26 -11 9 14O (0,9)O (0, 3)O (0, -3)O (0, -9) As human populations have changed over the years, people have altered the course of rivers and other waterways to better suit their needs. one approach has been through the damming of certain rivers. over time, many people question whether this effort has been beneficial. what are the negative impacts of damming a river that are being assessed? dams allow more water to flow into nearby reservoirs, increasing the chances of disease transmission. dams cause increases in salmon populations because more water is available for them to live in. dams reduce salmon stocks, which reduces revenue and overall whale populations. dams allow for invasive species to move around more easily, which reduces biodiversity. pls answer quickWhat mountain range forms the Italian Peninsulas northern border?the Italian Alpsthe Adriatic Mountainsthe Apenninesthe Tyrrhenian Alps Sin 0 = -8/17 and cos 0 = 15/17 find tan0 If two balls have the same volume, but ball A has twice as much mass as ball B, which one will have the greater density? What is fearIs fear normal when I am being threatened? I was told its natural, even the one who is threatening is afraid Shall I keep calm and if attacked shall I fight back?