A geologist examining a road cut at this location would recognize that Layer A is than Layer B. This conclusion is made through the principle of

First box option: older, younger
Second Box Options: superposition, uniformitariania, original horizontality

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?