Which rock cannot be found as a chemical sedimentary rock?

A. chert

B. limestone

C. sandstone

D. rock gypsum

How are pathogens spread by contaminated objects

which of the following best explains why earthquakes and volcanic eruptions frequently occur in the same location?

10) A series circuit has a current of 1 Ampere and an equivalent resistance of. 2 Ohms. What is the power in this circuit? A).1 Watts B).2 Watts C) 1 Watt D) 1.5 Watts

How long can a person live without food and drinking only water?

Think about a petal plucked from its flower. When the petal is removed from the flower, will it remain alive according to the characteristics of life? Why or why not?

A deletion of one base in the original segment of DNA is called a frameshift nutation what will happen to the newly synthesized protein as a result

4. Is predation a density-dependent or density-independent factor?

Why do you think a fracture involving the bones of the nasal cavity could affect the cranial cavity?

Which structure in a cell makes protein

Do Genes make up chromosomes.