What happens to the energy level of particles when melting occurs?

a) it increases

b) it decreases

c) it stays the same

d) it increases and decreases rapidly

Which technically is nasa developing that will astronauts reach mars

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

Select the correct answer from each drop-down menu proteins are