One of the softest minerals is ...

A. graphite

B. diamond

C. corundum

D. amethyst

how the endocrine system and nervous systems become involved when a student feels stress--such as that associated with an upcoming exam. Be detailed and cite sources in this weeks posting.

Why might a gallstone affect the pancreas? choose the most accurate answer?

Arrange the events in the stimulation of heart muscle in order from earliest (1) to latest (5). Note that this question does not list every step in the pathway, but the steps presented should be arranged in order.

The fossils from the ancestor of camels were found in strata from the Pilocene Epoch (2.5 million years ago) and from the Oligocene Epoch (25 million years ago). What could you predict about these fossils? a.

F one strand of dna had a base sequence of a-t-t-g-c-a, what base order would be found on the complementary strand of dna?

How do bacterial infections, body weight, diet, exercise or viruses (pick one to explain) relate to cancer?

A local farmer began to follow a more sustainable practice. As a result, his levels of carbon emissions decreased by fifty percent. The soil quality will most likely A. Increase B. Decrease C. Stay the same

Simple beginning theory

A volcanic eruption adds carbon dioxide to the air. This is an example of interactions between the 1) hydrosphere and geosphere 2) atmosphere and geosphere 3) geosphere and biosphere 4) hydrosphere and biosphere

Why do humans have two sets of 23 chromosomes