________ cells generate electricity directly from the sun's energy
Fill in the blank(s) with correct word
Photovoltaic
Environmental & Atmospheric Sciences
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When Mendel bred green-pea plants with yellow-pea plants, all the offspring had yellow peas. This means that the trait for yellow peas is
A) dominant. B) recessive. C) homozygous. D) heterozygous.
Environmental & Atmospheric Sciences
Which of the following does NOT improve local food supplies?
A) spread of disease B) trade C) transportation D) storage
Environmental & Atmospheric Sciences
Radioactive isotopes disappear when they decay.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
Match the metamorphic rock to the metamorphic grade. (Note: Some answers may be used more than once.)
A) High-grade metamorphism B) Low-grade metamorphism C) Medium-grade metamorphism 1) Slate 2) Gneiss 3) Schist 4) Phyllite
Environmental & Atmospheric Sciences