True or false questions

A. true

B. false

C. true

D. true

E. true

Explanation:

A. it works kind of like a door lock they have a specific alignment in which it can fit only the complimentary substrates.

B. their shape isn't affected by the reaction. however their structure can be affected due to constant reuse.

C. they are biological catalysts that break down bonds which helps in making digestion faster.

D. for example: digestion, neutralization...

E. pH can affect the enzyme's shape which will slow it down, temperature can help the enzyme work faster however if it gets too high it will affect the enzyme's shape.

littering streams           is the answer

b. lithosphere, asthenosphere, mesosphere   is the answer most likely