Which of the following are producers?

algae

plants

some bacteria

all of the above

2 atoms of silver will have the mass of?

What do symmetrical crystal shapes indicate about a mineral?

What holds a proton together? A) neutron B) residual strong force C) strong nuclear force D) weak nuclear force

A sample of nitrogen occupies a volume of 250 mL at 25.0 C. What volume will it occupy at 95 C. A. 310 ml B. 31 ml C. 950 ml D. 95 ml

What are the shared properties of metals and metalloids

Which is an example of Temporal Isolation? A. Flowers that bloom in different months. B. Birds that have different mating calls C. Fruits flies that mate in different locations. D. Squirrels that have different fur colors

A chemical reaction can start when enough activation energy is added to the reactants. Do you think the activation energy for chemical reactions in living things is high or low / Explain your answer

20 Which statement describes a reversible reaction at equilibrium? (1) The activation energy of the forward reaction must equal the activation energy of the reverse reaction.

Count the total number of atoms in CaCO3: 2 3 4 5 6

Question #21TrueFalse The general name for a substance added to a reaction that affects the rate but is not consumed in the reaction is called a complex a. True b. False