Explain why sublimation is rare and describe the conditions in which it usually occurs.

You find a fossil that you think is about 350 million years old. You decide to use 235U to date a volcanic ash bed just below the key specimen. The half-life of 235U is 700 million years.

Why are neanderthals considered a different species?

How long does nicotine stay in a non smokers system? @ricardolabuda

What is it called when Bacteria converts ammonia into nitrates

What things determine how many organisms can live in an area?

Decomposers serve a key role in the nitrogen cycle, primarily because they

What is the limit on saturated fat intake in grams that you would recommend to your friend, who is consuming 2,500 calories?

Which of the following is a possible water cycle involving humans? a. precipitation (rain), person, wastewater, clouds, precipitation (rain) b. lakes, person, atmosphere, clouds, lakes c.

Prototypes are especially important in the process of

I'm which structure is all the genetic information of an organism found? A) DNA B) gene C) codon D) protein