Which feature of a sandstone rock layer usually is

the youngest? explain

A. sand grains that make up the rock

B. cement that binds the sand grains together

C. fossils found in the rock

D. faults that have broken the rock

Lampreys and hagfishes have A. jaws B. paired fins C. scales D. notochord that remains throughout their life cycle

Primates lack the enzyme needed to complete the conversion of simple sugars into vitamin C, yet their DNA contains the gene that controls this conversion. It has been "turned off" due to a mutation.

How is chemical energy used in cellular respiration?

In general, colder temperatures would tend to reduce the fluidity of membranes. In response, cells can adjust the composition of their membranes to maintain the proper degree of fluidity.

If a mother has type AB blood and the father has type O blood, can the son be type O?

Which of the following is NOT a potential harmful effect on human health resulting from climate change? A. malaria B. yellow fever C. heatstroke and heat-related illnesses D. respiratory problems E. schistosomiasis

The three rocks statements below are observations of the same rock sample: - the rock has intergrown crystals from 2 to 3 millimeters in diameter - the minerals in the rock are gray feldspar, green pyroxene, and black amphibole -there are no visible

Most of cells work is carried out by___, which are made from many ___.

What is used to measure when the cardiovascular system is receiving the most benefit from exercise without working too hard?

The nurse identifies the uap recorded the client's blood pressure as 78/52 mm hg. the nurse recognizes this blood pressure is abnormally low for this client. what is best response of the nurse?