This is actually not a time "period," but it makes up the majority (approximately 4 billion years) of Earth's history. Major events occurring during this time include the early formation of Earth's oceans and the first appearance of life on Earth.

Which of the following statements about pesticides and residue is false? a. most conventionally grown produce has detectable levels of pesticides when purchased from the store.b. the us government has determined that small levels of pesticides in produce is safe for humanconsumption.c. organic produce always will be pesticide-free.d. farm workers, children, and pregnant women are at greatest health risk from pesticides. select the best answer from the choices provided.

What body of water is the second cataract of the nile river submerged under

What is the amount of organic matter in all living organisms in a habitat called?