Answer:
The oldest fossils, between 3.5 and 3.8 billion years old, are then accepted as both the first life and prokaryotic.
Answer:
c
Explanation: There are two types of digestion in the body. Mechanical and Chemical. Mechanical digestion occurs in the mouth (chewing). Amylase is present in saliva, and begins the breakingdown those substances in the mouth and continues to break them down in the esophagus and stomach. Also, you can tell amylase is an enzyme by its suffix -ase. -ase means it is an enzyme.
Yes calcium ion channels open and cause the neurotransmitters to move as well
Answer:
the guy who is type O
Explanation:
using a punnet square you can come up with 4 seperate possiblitys for the baby's blood type. We don't know any of their recessive traits tho so im pretty sure its O. i could be wrong tho!
