What is meant by suggesting that earth's oceans are connected? a. all ocean water came from a single comet that broke into five large pieces. b. all of the crustal plates underlying the ocean share a border with each other. c. water can flow through all five oceans without having to cross a barrier. d. water from separate oceans mixes when it flows underneath the continents.

How would you take a difficult subject matter - such as poaching, deforestation, or climate change and communicate it in a kid-friendly way

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.