Tim has just jumped out of an airplane. The force of gravity pulls him downward, while air resistance pushes him upward. What is the net force acting on Tim?

Explain why phospholipid molecules form a bilayer. (3 marks)

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

What is required in the genotype of an individual to show a recessive trait? a.two recessive alleles b.at least one recessive allele c.no recessive alleles