Which of the following processes is not primarily caused by humans?
A. air pollution
B. the g...
Biology, 15.06.2021 22:30 shayshay4352
Which of the following processes is not primarily caused by humans?
A. air pollution
B. the greenhouse effect
C. thinning of the ozone layer
D. increased carbon dioxide levels
.
Answers: 2
Biology, 21.06.2019 16:00, ryleighgilmore1
Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.
Answers: 2
Biology, 22.06.2019 13:10, mroueh21
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
Answers: 2
Biology, 22.06.2019 16:30, chanavictor2747
The pacific plate is an oceanic tectonic plate. how did a hot and the pacific plate interact to form the hawaiian islands?
Answers: 1
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