PLEASE HELP 5th GRADE SCIENCE! When you add salt to water and give it a stir, how are you affecting the rate at which the salt dissolves? A. You are breaking down the particles of salt at a slower rate.
B. You are combining the salt particles together at a faster rate.
C. You are decreasing the rate at which the salt dissolves.
D. You are increasing the rate at which the salt dissolves.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.