Answer:
"rubbed together"
Explanation:
Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.
1. With respect to oxygen requirements, an <u>aerobe </u>can use gaseous oxygen and possesses enzymes to process toxic oxygen products.
<h3>
What are enzymes?</h3>
Proteins called enzymes aid in accelerating our bodies' chemical reactions, or metabolism. Some compounds are created, while others are broken down. Enzymes are a component of all life. Enzymes are created by our bodies spontaneously.
2. Expanding on this classification, an <u>obligate </u>aerobe cannot grow without oxygen.
3. Still other organisms, called<u> facultative anaerobes</u>, metabolize by aerobic respiration but can adapt to anaerobic environments.
A facultative anaerobic organism is one that can switch from aerobic respiration to fermentation in the presence of oxygen to produce ATP.
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You are likely to see a connotation used in both advertisement and also some university lectures. If only one answer is permitted, B is the best answer.
Functional and economically most important mineral in nutrition of layers
is calcium, primary because of egg production, i.e. forming of the egg shell.
