Earth’s plates move on top of the mantle like a floats on water. a. weight b. rock c. leaf d. mosquito

*will mark brainliest* which of the following best describes a viral infection, such as the common cold? a. virus grow and develop in the body. b. virus are living organisms. c. viruses require host cells in the body. d. viruses can be treated with antibiotics.

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae