What happens to matter as it moves through the food chain/web? What happens to toxins as they moves through the food chain/web?

Which are observations about the tree on the right ,? check all that apply

Are the earth's ocean floor and continents the same age geologically? why or why not?

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to