C. Carbon
Mercury is dangerous to humans
Carbon is the main element in organic compounds, so carbon is essential to life on Earth.
Answer:
Release carbon dioxide
Explanation:
Animals breathe in oxygen and release carbon dioxide
Answer:
Plant hormonal regulation differs from animal hormonal regulation in that there are no dedicated hormone-producing organs in plants as there are in animals.
Explanation:
<em>Plant hormones control different functions in plants such as growth and development.</em> These hromones are signal molecules that affect gene expression and transcription levels. What diferentiates them from animals is that in plants there are no dedicated hormone producing organs. For example, that plants and insects produce their hormones differently.
Its "prophase" because "nuclear envelope fragments and the microtubules have to attach to the chromosomes", so in short its the longest stage because everything is <span>decondensing, splitting apart, and the nucleus is disintegrating, also chromosomes are getting ready to be duped. </span>
