took just __________ year(s) to deforest an area
the size of Delaware in Maine.
a. 1
b. 4
c. 10
d. 15
e. 20
Answer: d
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What happens to blood as it moves through the pulmonary circuit? a. Blood is routed to various body locations, allowing food and oxygen to be delivered to the tissues
b. Excess fluids, which were lost through capillary walls, are recollected. c. Carbon dioxide is removed and oxygen is added. d. The blood is examined for the presence of disease organisms.
Are all fungi prokaryotes?
A) Yes, all fungi are prokaryotes. B) No, some are prokaryotes, some are eukaryotes. C) No, they are all eukaryotes. D) No, they are neither prokaryotes nor eukaryotes.
Which of the following types of microbes might be found in a boiling hot spring?
A. hyperthermophiles B. phototrophic bacteria C. methanogens D. non-thermophiles E. halophiles
Which process normally occurs at the placenta?
A. Oxygen diffuses from fetal blood to maternal blood. B. Materials are exchanged between fetal and maternal blood. C. Maternal blood is converted into fetal blood. D. Digestive enzymes pass from maternal blood to fetal blood.