Answer:
D. Power is required in order for work to be applied on an object
Potassium-40 has a half life of 1.251×billion<span> years</span><span>. To determine the percentage potassium-40 remaining after 3.9 billion years, divide
3.9 by 1.251, = 3.12.
This is the number of times the original amount of potassium-40 reduces by 50%. The remaining percentage is therefore 100%/(3.12 * 2) = 16.03%.</span>
Answer: C and D
Explanation:
B is talking about cells, so it's not relevant
A has nothing to do with this at all honestly
So C and D are the right answers
Answer:
Photosynthesis removes carbon from the atmosphere, and cellular respiration releases carbon from the atmosphere
Explanation:
This is the role of the reactions in the carbon cycle.
Answer:
Unfortunately, there is no image here. Perhaps you could provide us with it?
Explanation:
