Which is the best example of physical weathering?
1. the formation of a sandbar along the side of a stream
2. the cracking of a rock caused by the freezing and thawing of water
Answer; 2. the cracking of a rock caused by the freezing and thawing of water
Biology & Microbiology
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Plant cells often have a large membrane-bound sac that is used for storing water and other substances called a:
A. central vacuole. B. Golgi body. C. centriole. D. chloroplast. E. nucleus.
Biology & Microbiology
Emphysema affects about __________ million
people in the United States in a given year. a. 1 b. 2 c. 3 d. 4 e. 5
Biology & Microbiology
Which of the following features is unique to the Class Aves?
a) hair b) notochord c) wings d) shelled eggs e) barbules
Biology & Microbiology
daughter cells are
What will be an ideal response?
Biology & Microbiology