When heterotrophs consume food (organic compounds), they convert it to usable chemical energy, primarily in the form of , during the process of .

that is true   : ) hope this you

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.

gag reflex, poor dentition, gum retraction

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