Answer:
C and D is the answer to this
Ifa rock had 80 radioactive atoms in it when it was formed and it now has 20 radioactive elements in it, how old is the rock?
Answer:
100, it is 100 years old
Explanation:
Answer:
10 million years
Explanation:
Lina applies a constant force of 30 N as she pushes a dresser 3 m. How much work did Lina do on the dresser
Answer:
srry
Explanation:
Which of these colors are the main colors of visible light?
peace
pink
gold
red
violet
indigo
green
Answer:
Red ,green and blue
Explanation:
that are the answers.hsve lovely day