In seed plants, an immature male gametophyte is also known as a
A) pollen grain.
B) seed.
C) sperm.
D) cone.
A
Environmental & Atmospheric Sciences
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What will be an ideal response?
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Compare the overall percentages of the population living in urban areas, in developed countries versus developing countries
What will be an ideal response?
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Distribution of precipitation during the year:
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Which of the following best matches the description?Period in history when machinery replaced human labor.
A. methanol B. OECD C. Carboniferous period D. gross domestic product E. Industrial Revolution F. hunter-gatherer G. hydrogen fuel cell H. OPEC I. fossil fuels J. compressed natural gas
Environmental & Atmospheric Sciences