What are large and smaller slabs of rock in the lithosphere called?

a. Fossils

b. asthoenosphere

c. tectonic plates

d. ocean ridge

Early in development, the tissue that becomes the nervous system forms the neural ___, then the neural ___ and finally the neural

Where do solar prominences occur? a) photosphere b) radiative zone c) convection zone d) core

Which of these are the two major sources of nitrate pollution in rivers? a. the burning of fossil fuels by factories and cars b. animal wastes and the burning of fossil fuels by cars c. animal wastes and fertilizers d.

What a marine ecosystem food web look like?

How would these animal populations be affected by the habitat destruction caused by this volcanic eruption? a. Eagles: b. Trout: C. wolves

In a population, when the birthrate becomes higher than the death rate, the population's growth rate A) decreases. B) increases. C) slows to a stop. Eliminate D) levels off and remains constant.

In spermatophytes, the plant embryo is encased in a seed. True False

Which statement best explains why the level of ATP in skeletal muscles changes during exercise? Adenosine and phosphate in ATP are destroyed by the muscles. Waste ATP accumulates in the blood stream rather than in the muscles.

How many braincells do I have?

Which of the following is not being undertaken to reduce the risks to human health from pesticides?