An ecosystem includes a. only exotic factors b. only biotic factors c. biotic and abiotic factors d. only abiotic factors

Which beat describes the brain stem

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound