Can someone me with these 3 questions asap

18. Enzymes bind with chemical reactants called substrates. In some reactions, a single-reactant substrate is broken down into multiple products.

20. stored evergy is released whenever these chemical bonds are broken in metabolic processes such as cellular respiration. Cellular respiration is the process by which the chemical energy of food molecules is released and partially captured in the form of ATP.

It should be cryosphere and hydrosphere

I'm sorry to hear that. i will try to answer your other questions if it is within my ability. : )answers: my favourite colour is black.my favourite food is pasta.my favourite school subject is english, but i do also like lunch time.my least favourite subject is history as well as geography. i have currently garnered a quite equal hatred for both of the subjects.what about you? well, you for the points. : )