Answer:
Gas exchange
Explanation:
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
An Egyptian pyramid that is 4500 years old will be considered as a fossil in this scenario.
<h3>What is a Fossil?</h3>
This is defined as trace of an animal or plant of a past geologic age that has been preserved in Earth's crust.
Since it has been discovered that the egyptian pyramid contains thousands of marine fossils then it can be generally referred to as a fossil.
Read more about Fossil here brainly.com/question/11829803
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Answer is C A 20kg object
Answer:
C. Amoebae and paramecia is the answer.
Explanation: