The first one should be correct plz mark branliest!
Answer:
That's what I had so far. 2) a. Lungs b. Closed
3) CO2 / Oxygen
Answer:
Enzymes
Explanation:
Enzymes are chemical catalysts and speed up chemical reactions. Digestive enzymes such as amylase in your saliva, help to break down polymers in food. Enzymes play an important role in all cellular reactions such as respiration, photosynthesis and many others.
Basically when water goes over the earth it corrodes it and in that way shapes the earth's surface. The hydrosphere corrodes the gyoshere at Havasu Falls.
Answer:
Most of the species in the class<u> Reptilia </u>
lay amniotic eggs
Explanation:
<h3><em>Hop</em><em>e</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em><em>.</em><em>!</em></h3>
