Answer:
the brain stem
Explanation:
the structures of our brain stem, in conjunction with our spinal cord (not a part of our brain) is responsible for involuntary action. Not sure if it generate signals, but hey it's better than no answer.
Answer:
viruses can make your body sick and your blood cells wouldn't be right so you have to be careful with shots or people ine general
Answer:
a is perpendicular to c will be the answer.
Answer:
Cos(89)
Explanation:
Trust me Im right. I got this answer by calculating what decimal sin(1) is then saw which answer choice equals the same answer
Answer:
The correct answer is option 3. a nucleus.
Explanation:
The first genetic material present in the early organisms were RNA which was present in the microscopic organisms back then 3.5 billion years ago which means it is normal to have RNA in such microfossils chemical analysis.
Since, the nucleus was not present in early life forms of prokaryotes like bacteria. so, it is unusual to find nucleus in the fossils of stromatolite rocks.
Thus, option III is the correct answer.