Enzymes are sometimes called biological catalysts
I would go with 4 that's what makes the most sense to me, and i just learned about this last year so... I hope this helps good luck..
Because they want to know the existence of aliens
<span>The light reaction of photosynthesis produces oxygen and ATP.</span>
Answer:
a.
Explanation:
caribou maternity pens are enclosed areas created to care for pregnant female caribou and their offspring. As well as allowing the mothers to take care of their offspring in a safe and nurturing condition. Therefore the hikers passing by the pens most likely would see Pregnant females and young caribou within the pens.