Mushrooms have gills?

What distinguishes two different isotopes of an element is the number of neutrons contained in their nucleus.

Which statement gives the main idea of the kinetic theory of heat? When objects are heated, particles slow down. Colder objects emit more radiation than hotter ones. Heat flows from warmer to colder objects.

What is the density of rock if it has a mass of 25 g?

If you have 0.5 L of air in a rigid, sealed container at a pressure of 203 kPA and a temp of 203. You heat the contain to 273 K. What is the final pressure of the air? 151 kPA 102 kPA 273 kPA 310 kPA

In a diamond, what type of bonds link carbon atoms together to form a network solid?

Mixture's and solutions

What is half-life? a.) the time it takes for a radioactive atom to lose half its electrons b.) the time it takes for half of any number of radioactive atoms to decay c.) the average time it takes for any element to disappear completely d.

Water molecules are made of slightly positively charged hydrogen atoms and slightly negatively charged oxygen atoms. which force keeps water molecules stuck to one another?

Which can be used to prevent initial entry of bacteria into the body

Which statememt describes gravity? Select three options