Which of the following statements about radioisotopes is false?

a. The half-life of a radioisotope does not vary with temperature or pressure.
b. Carbon-14 is typically used to date the rocks in which fossils are found.
c. The ratio of carbon-14 to carbon-12 is used in dating fossils.
d. Potassium-40 has an extremely long half-life.
e. The nucleus of a radioisotope can change into that of a different element during decay


B

Biology & Microbiology

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Sperms and eggs are produced by ..... Division .

A. Binary fission B . Meiosis C. Budding D. Mitosis E. Asexual Division

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Compare and contrast archaea and bacteria, with particular attention to the features that lead to their placement in separate taxa

What will be an ideal response?

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In flowering plants, after fertilization the zygote continuously develops until the seed germinates.

Answer the following statement true (T) or false (F)

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