Answer:
Henri Becquerel and the Curies worked with uranium, radium, and polonium, all of which give off radiation.
Explanation:
Henri Becquerel and Marie Skłodowska-Curie discovered the process of radioactivity. They were awarded Nobel prize for their work. Radioactivity is the process in which an unstable element emits energy in the form of radiation. This process also produce a lot of heat. Radiations are very harmful for human health however they have wide applications in modern technology.
Answer:
(I'm sorry, I got stuck between a and b. This was the best answer I could come up with)
Explanation:
Capillaries are meant to be small so blood cells could move through them in a single file line. If they were an bigger the blood stream would clog up and most of the blood cells won't be able to give nutrients or exchange gas
The algebraic expression that represents this is D. 2s + 3.
Riley's sister - s
Riley - s+3
Total - s+s+3 = 2s+3
Total - 2s + 3.
Answer:
I would say B. Splitting apart carbon dioxide
Explanation:
Plants are able to use the energy of sunlight to convert carbon dioxide and water into carbohydrates and oxygen in a process called photosynthesis. This means that plants "breathe" in carbon dioxide and "breathe" out oxygen. Animals form the other half of the oxygen cycle.
