Which of the following correctly describes the first animals that appeared? a.) these were large creatures, similar to dinosaurs b.) these were bony creatures that lived only in wet environments c.) these were soft and boneless creatures d.) these were large creatures that lived only in dry environments

Write a question about how changing temperature affects the gas inside the sports ball

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?