Radioactive isotopes are used to

a.

determine the absolute age of rocks.

c.

determine how rocks are formed.

b.

determine the relative age of rocks.

d.

determine how rocks are changed.

Select the statements that describe ways in which culture influences a region.

Which of the following is not an environmental challenge facing the African continent? A. reforestation B. desertification C. animal endangerment D. pollution

A college educated women waits until age 32 before she has her first child because she wanted to establish her own businesses first. Based on our social studies of fertility rates, this woman is most likely a citizen of

Never mind no question you can answer

What type of agricultural practices are used in syria and how does climate affect it?

What are the most wide spread Paleozoic fossils?

Less developed nations are to extended families as more developed nations are to nuclear families. matrilineal families. families of procreation.

If star a has an apparent magnitude of - 6 and star b has an apparent magnitude of 5, which star is brighter in our sky?

What is one advantage of free trade?

Explain how the shading of the direct light of the sun causes a lunar eclipse.