The average kinetic energy of molecules in the air is called?

A. humidity

B. temperature

C. wether

D. climate

a specfic mutation in a certain animal leads to abnormal development of the heart and kidney, resulting in miscarriage. Why did this happen?

What are early planets called?

All the field mice that live in a field of light colored grass have tan fur. one of the mice is born with black fur. what would cause the black fur? A:mutation B: selective breeding c: adaptation D: natural selection

Summarize how metabolism in organisms depends on water.

Over the last 50 years there has been a noticeable increase in global temperatures, which of the following best explains this phenomenon? A. decreased deforestation for agriculture B. increased ozone layer depletion C.

Finding fossils of coral reefs in nevada desert provides evidence that ... 1) nevada used to be much colder than it is today 2) an ocean once covered what is now nevada 3) there was a mistake because no coral reef exist in deserts 4) ancient coral

Temperatrure diffrences between the equator abd the two poles produce A:convection currents in the mantle B: Convection currents in the atmosphere C:the coriolis effect B:The green house effect

Mature eggs first begin to be released from the ovaries of human females a short time after the onset of

Which structure is found in all eukaryotic cells? chloroplast mitochondria cell wall pili

Phylogenetic trees are also called what