Wich field of science studies the composition and structure of matter

Irritable bowel syndrome (IBS) is a disease caused by the body's inability to digest food properly. This disease may be caused by food or stress. What type of disease is IBS? a (n) disease

If you're lying on the beach and small, white cumulus clouds are headed your way, what should you do?

A hypothesis is a statement that can be tested through a scientific investigation. What is the purpose of writing a hypothesis?

If the environment changes quickly and no individual members of a species are able to survive in the new environment, then the species will a. become extinct. b. turn into a different species. c. not be affected. d. begin mating with other species.

The thermal effect of the water formation reaction is 286 kj. what will be the thermal effect of its decomposition? why?

Enter a range of values for x, 2x+10, 14

Ruthenium-106 (Ru106) is used to treat melanoma in the eye. This isotope decays by β - emission with a half-life of 373.59 days. One source of the isotope is reprocessed nuclear reactor fuel.

What conversion factor would you use to find the number of moles in 3.52x10^24 molecules

the solubility in mol/dm3 of 20.2g of potassium trioxonitrate (V) dissolved in 100g of water at room temperature is

Which process occurs at the anode in an electrochemical cell? (1) the loss of protons (2) the loss of electrons (3) the gain of protons (4) the gain of electrons