What are the two roles of bacteria in the nitrogen cycle?

What must be true about tow objects if heat is flowing between them?

What is a scientific theory? A law that is always true a hypothesis about nature and educated guess based on observations an explanation on how the natural world works?

What type of intermolecular forces would you expect to find in a pure liquid sample of carbon tetrachloride?

Define acid and base in terms of pH in a paragraph

A battleship simultaneously fires two shells toward two identical enemy ships. One shell hits ship A, which is close by, and the other hits ship B, which is farther away. The two shells are fired at the same speed.

when we examine the structures of the other terrestrial planets in our solar system, we see that their structure is similar to Earth's. Why do you think this is the case?

An ant is crawling along a straight wire, which we shall call the x axis, from A to B to C to D

How does a very heavy object resist sliding sideways when you push hard on it?

A go-cart traveled at 200 meters in 18 seconds. what was the average speed of the go cart?

A cartoon plane with four engines can accelerate at 8.9 meters per second squared