Overtime a tree that once had a total mass of 300 g increased in mastered 300 kg this increasing mass comes mostly from ? HELP ME PLZ ASAP

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

Whay is the following best defines climate

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions