Biology, 08.01.2021 05:50 shongmadi77
Which statement is true about gold and helium?
A. They both occur as a gas at room temperature.
B. They are both made of subatomic particles.
C. They are both used in balloons.
D. One of made of protons and the other of only electrons.
Answers: 3
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What does it mean for a cell membrane to be selectively permable
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Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .
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The activity of the modern sample is 1.10 bq . how long does that measurement take?
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Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
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Which statement is true about gold and helium?
A. They both occur as a gas at room temperature.
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