In ferns, what stage in the alternation of generations is largest?
A. diploid gametophyte
B. haploid sporophyte
C. diploid sporophyte
D. haploid gametophyte
Answer: C
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When the sun, the earth and the moon are in conjunction, the arrangement of these celestial bodies forms a _____ and it results in a _____ tidal range.
(a) line; largest (b) line; smallest (c) right angle; largest (d) right angle; smallest
How far does the 100-year lahar extend from the summit?
What will be an ideal response?
Since the year 2000, developing countries have managed to prevent all of their untreated sewage from going directly into rivers that also supply drinking water
Indicate whether the statement is true or false.
The greenhouse effect represents
A) anthropogenic global warming B) trapping of heat by atmospheric gases C) alteration of climatic patterns by global warming D) particularly intense solar radiation