List the category of ecosystems in order from most contaminated to least
contaminated.

answer: after carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed. respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.

explanation:

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

my teacher would say no s

1. is geographic distribution

2 is increasing complexity

3 is transitional forms