The positively charged particle in an atom's nucleus is called the

A boat moves at a speed of 15 km/h in still water. The river it is traveling in flows at a rate of 3 km/h downstream. What is the velocity of the boat if it travels downstream? What is the velocity of the boat if it travels upstream?

How do you know when a chemical reaction has taken place?

Is migration a long term consequence for competitive exclusion

Tom wanted to test his hypothesis that plants grow better at room temperature than in cold temperatures. He placed an ivy plant in the refrigerator, which had no light source. He also placed a spider plant in the window in his room.

Which of the following processes includes all of the others? Group of answer choices transport of an ion down its electrochemical gradient osmosis passive transport facilitated diffusion

Sexually reproducing organisms pass on genetic information as a? (answer fast)

A tree uses gas A to produce gas B. An animal uses gas B to produce gas A. What is gas B in this cycle? A. oxygen B. nitrogen C. carbon dioxide D. carbon monoxide

In which grouping of the periodic table do the elements have similar properties? only columns both rows and columns only rows in the periods

When do plants use the process of cellular respiration

What is the difference between Concentration and Solubility