I’m pretty sure it’s water, oxygen, and food. beacuse food provided both nutrients and an energy source.
Answer:
rex was covered in a coat of downy feathers
Explanation:
Some mammals did have hair but T. Rex mostly had feathers
Answer:
b. Living things
Explanation:
Every living thing contains organic compounds.
Answer:
Explanation:
Symptoms of infected animals include emaciation, excessive salivation, lack of muscle coordination, difficulty in swallowing, excessive thirst, and excessive urination. Subtle behavioral changes like loss of fear of humans or other abnormal behavior are often the first signs noticed.