If you start with 100 grams of radioactive carbon in 50 grams remain after 5730 years what is the half-life of the isotope

Which phrase best describes the process of erosion? breaks sediments into smaller pieces transports sediment to a new location works with deposition to carry away rocks adds sediment to a new surface where it settles

A jewish couple that is trying to conceive ask the nurse if they should receive genetic counseling. the nurse is aware that an autosomal recessive disorder that causes a deficiency in hexosaminidase a may be present.

What is true concerning an ecological community? it is a large region of multiple organisms the boundaries, large or small, of a single organism the ecosystem of multiple organisms, regardless of areal extent

What role do microtubules play during mitosis? A. microtubules line up chromosomes at the equator of the cell during metaphase B. microtubules play a role in the disassemble and reassembly of the nuclear membrane C.

Here is an increase in the amount of work completed; all other factors have remained the same. As a result, the amount of power will a. Decrease. B. Decrease, then increase. C. Increase. D. Remain the same.

What is the relationship between the size of a predator population and the size of a prey population?

Under the Clean Air Act, science is the foundation for setting health-based air quality standards for certain common air pollutants.

In living organisms, lipids are used for O A. Quick energy O B. Transport O C. Insulation

Which process wears away tall sandstone rock formations due to wind? abrasion deflation impact plucking

Where does mitosis occur