True or false? visible light is a kind of electromagnetic wave.

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

Could someone me with number one you

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt