Draw a bar graph to represent the average carbon value of the average four types of coal

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

happy to

pls mark as brainliest

i'd say that the moon rock is about 2.2 billion years old.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

satellites are frequently used to make observations of the orbit on earth