Answer:
D
Explanation:
Atomic radius is the distance from the atom's nucleus to the outer edge of the electron cloud. In general, atomic radius decreases across a period and increases down a group. Across a period, effective nuclear charge increases as electron shielding remains constant.
The answer is
C. Both systems help remove carbon dioxide from the body.
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Answer:
The correct answer is - virus, bacteria, protist.
Explanation:
Answer:
is substance that cannot be broken down into a simpler form
Explanation: