Witch substance is a combination of different atoms

A - homogeneous mixture

B - heterogenous mixture

C - element

D - compound

in our study of human body systems we are compared the blood in the circulatory system to a trait give 3 reasons why

Why corrosion of aluminum is an advantage for the metal and why the corrosion of iron a serious problem

True or False: 1) A solution is made up of at least two substances 2) A solution must contain at least one liquid 3) The solvent in a solution may be solid

Momentum is a measure of the mass motion force or weight of an object

Select all that apply. Which of the following are producers? algae plants animals humans some bacteria

3/4 / 100 as a decimal and a percentage?

What is the net ionic equation for AgNO3 (aq) + Na2SO4 (aq)

What does it take to prove a hypothesis false? O A. It is impossible to prove a hypothesis false O B. At least ten examples O C. One counterexample O D. A poorly stated question

We dissolve 5g of sugar, C12H22O11, in water to make 1L solution. What is the concentration of this solution expressed as molarity.

Explain how the molar mass of a gas affects the rate at which the gas diffuses and effuses