A hammer is being used to remove a nail from a piece of wood what kind of simple machine is

Which option describes the main function of chloroplasts? a. active transport of nutrients into and waste out of the cell b. convert energy from glucose to ATP c. package complex sugars and send them to vesicles d.

Which sedimentary rocks are formed from mostly organic matter? A) rock salt and shale B) bituminous coal and limestone C) dolostone and rock gypsum D) sandstone and conglomerate

Insect blood, properly called hemolymph, flows freely through the body cavity, but is moved from the abdomen to the head through what structure?

According to the article, why did Dr. Sylvia Earle give up eating fish? (A) She is passionate about fish and she now finds it disgusting to eat an animal she cares about She thinks sustainable fishing is impossible and wants fish populations to be

During DNA replication DNA is split apart into two strands. As the new DNA strands are created, what is the function of DNA polymerase? A. It slows the reactions occurring during DNA replication. B. It labels the ends of the strands as 3' or 5'. C.

What are at least three possible challenges Darwin might have faced

Which two spheres contain most of earths water?

What is the name of a complex group of organisms that are connected and interact with one another?

Oceanic crust is composed mainly of basalt. continental crust is composed mainly of granite. why does oceanic crust generally tend to subduct under continental crust when plates collide

What is placebo and why is it used in some experiments