This is a science question. i have two of them.
why can't plants catch a cold? i put; they don't have a immune system and not the same functions as humans.
the second question is; what is the advantage for bacteria that form endospores?

Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?

You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.