Is iron abiotic or biotic?

A nation with a population that is not increasing is

Give one possible reason why the population decreased in 1990 after it had reached its carrying capacity

A chemical reaction in which oxygen is combined with another substance

What is 2x-3y=66 writing in slope intercept form

an endurance runner begins experiencing muscle soreness towards the end of a long race. Explain, in detail, what is happening in her muscle cells.

3. In which process do substances have to be in direct contact when heat moves from areas of more heat to areas of less heat?

While on an archaeology expedition, you unearth a skeleton with the following characteristics: four long, slender finger bones and a smaller opposable thumb bone, long arm bones, fingernails, and eye sockets close together on a skull.

Describe respiration

Which of the following is a property of minerals? a. Age b. Odor c. Hardness d. Size

What created the abundant agriculture in the Napa Valley of California? A:oceanic-continental convergence B: an earthquake C: a tsunami D:continental-continental convergence