What may be a symptom of a person whose vien valves are not functioning properly and are causing fluid to flow away from the heart

How can carrying capacity in the ocean be best described?

Many people feel the use of stem cells has a great potential for scientific and medical progress, while others have been opposed to it. Today there is a great deal of debate about stem cell research using pluripotent stem cells from an embryo.

How many species are there in the world?

All technological advances in biology have been used to improve humanity. a. True b. False

How are forest ecosystems named? OA) by location and by dominant tree species OB) by location and water supply OC) by location and shelter OD) by location and nutrients

When an accurate experiment is repeated by another scientist, the results A) should be similar to those obtained originally. B) will be identical every time the experiment is repeated. C) should be completely different for a different scientist.

1. Which of the following forms all matter?

True or false Sedimentary rock can be formed from changes in igneous rock, but igneous rock cannot be formed from changes in sedimentary rock.

When a protein is denatured, why does it lose its functionality?

This is a rotating machine that converts the kinetic energy of the wind into mechanical energy. If the mechanical energy is used directly by machinery, such as a grinding stone, the machine is usually called a windmill.