Select the word from the list that best fits the definition a gas made up of three oxygen molecules bonded together that occurs naturally in the upper atmosphere

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

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?