Plants have functions that make them a (n) ? part of the world. ^Insignificant or vital

The number of atoms in 2.50 mol Cr

Which substances play an important role in communication between cells in a multicellular organism by acting as chemical messengers?

A solid and a liquid are shaken together in a test tube to produce a clear blue liquid. Which of the following best describes the behavior of the above pair of substances?

In what phas do molecules only vibrate and stay in one place. A. Gas B. None C. Liquid D. Solid

Could an organism survive without its mitochondria if all the other organelle were present

What is the passing of a wave through an object

Classify the following as atoms or molecules. Drag the appropriate items to their respective bins. a. Mg S b. H2 SO3 c. HBr

If a sample of gas has a volume of 5.00 L @ 92.3 C, what will the volume of the gas be if the temperature is lowered to - 37 C

On melting of ice, there is a decrease in volume instead of increase. Why?

When a dolphin jumps, it moves its muscles and chemical potential energy is converted to kinetic energy. Some of this energy is lost to the dolphin. Explain why this phenomenon does not violate the Law of Conservation of Energy.