Answer:
A
Explanation:
1 half-life = .4 kg = 15 years
2 half-life = .2 kg = 30 years
3 half-life = .1 kg = 45 years
4 half-life = .05 kg = 60 years
Researchers aboard Alvin discovered the presence of hydrothermal vents on the ocean floor.
Answer: Transcription begins when RNA polymerase binds to a promoter sequence near the beginning of a gene (directly or through helper proteins). RNA polymerase uses one of the DNA strands (the template strand) as a template to make a new, complementary RNA molecule. Transcription ends in a process called termination.
The answer is A because c doesn’t make sense if it’s vibrating wouldn’t we feel or see it?
Answer : states of mmmatter... This is because elements at the right are majorly non metal and are liquid or gas at room temperature while those at the left are metal and mostly solid at room temperature