Which of the following is a source of chemical weathering that has been exacerbated by air pollution from industrial plants and car emissions?

A. acid rain

B. oxidation of iron

C. formation of clay

D. dissolving of limestone

Tiny structures located in the nucleus that seperate and go to opposite sides are called

Which 2 continents have the most obvouis fit of the coastlines

The immune system is made up of: Options: Organs Tissues Cells All of the above (since cells and tissues make up organs)

All of the cells in the human body contain the same genes. How do cells have different morphologies and functions when they contain the same genetic information? Different cell types express particular genes at different levels.

What's the function of the nucleus in the animal cell

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.

A certain metabolic pathway can be diagrammed as, where a, b, c, d are the intermediates, and x, y, z are the enzymes that catalyze the reactions

A client has activated the complement system during an inflammatory response to an injury. when planning care, which information should the nurse remember about which substance activates complement?

Which of the following is a product of the Krebs cycle glucose oxygen carbon dioxide or lactic acid?