What forms when a star creates a hot core surrounded by gas and dust?

One way to limit deforestation is by a. practicing crop rotation. b. increased soil fertilization. c. increased use of wood products. d. using wood from trees grown on tree farms.

Why are radioactive substances useful for measuring geologic time?

The reaction that joins thousands of small, identical molecules to form one very long molecule is called (1) esterification (3) polymerization (2) fermentation (4) substitution

Explain the difference between rotation and revolution. Then use these terms to explain how Earth, the moon, and the Sun move relative to one another.

Describe how you would obtain dry crystals of hydrated calcium chloride, CaCl2.6H20, from the solution formed

What might be a scientific question? O A. One that deals with how something happens O B. One that deals with morals and beliefs O C. One that deals with likes and dislikes O D. One that deals with right and wrong

Calculate the energy released in the following fusion reaction. The masses of the isotopes are: 14N (14.00307 amu), 32S (31.97207 amu), 12C (12.00000 amu), and 6Li (6.01512 amu).

How many grams of carbon dioxide are produced from 0.98 mol of Fe3O4?

There is inverse relation between pressure and diffusion in liquid phase? •True •False

What do you need in order to do a stoichiometric calculation? (Choose multiple) Balanced Chemical Equation Molar masses of compounds involved The type of reaction taking place Oxidation Numbers