Answer:
B. eliminates solid, undigested wastes and excretes carbon dioxide, water, salts, and heat
Explanation:
This is the correct answer with my knowledege and research.
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We group artworks with similar characteristics into periods or styles because it is easiest to do it that way - this way we can find common characteristics in these literary/artistic eras, and name them. For example, the Renaissance had a distinct style, which differs greatly from that of Romanticism.
Biotechnology is the use of living organisms through modification to make products of technological or industrial significance.
positively, biotechnology can be used in manufacture of medicine and also synthetic forms of various hormones for use in the health and medical field.
negatively biotechnology may be manipulated for use in wars as biological warfare that can lead to loss of lives and environmental degradation
Answer:
geologists use rock samples and direct evidence to prove what earth's structure is like.
Explanation:
