Answer:
Carbon-14 has a half-life of 5,730 years. Taking one atom of 14C, this will either have decayed after 5,730 years, or it will not. But if this experiment is repeated again and again, it will be seen that the atom decays within the half life 50% of the time.
Explanation:
Answer:
A: Oxygen is a process by which respiration happens.
Explanation:
Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Also:Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
~Hope this helps
I believe it’s B. Dont take my word for it
Answer:
3) bb
4) it is recessive because it skips generations and there are carriers. the parents don't have it, but they pass it on to their offspring
Explanation:
Answer:
the circulatory system
Explanation:
when the heart beats it jumps the blood through a system of blood vesseles hence the circulatory system
