Which of the following actions can a person take in order to best conserve fossil fuel resources? a. turn the faucet off while brushing your teeth b. reuse a paper sack as gift wrap c. recycle newspapers d. ride a bike to school

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Which muscle is responsible for inhalation ?

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere