Which statement correctly describes how carbon's ability to form four bonds makes it uniquely suited to form macromolecules?

Group of answer choices
a) it forms many diverse molecules.
b)it forms covalent bonds that can exist in a single plane.
c)it forms ionic bonds with other carbons
d) it forms, short simple carbon chains

What are two ways in which waves erode the land?

Coat color in cats is determined by genes at several different loci. at one locus on the x chromosome, one allele (x ) encodes black fur and another allele (xo) encodes orange fur. females can be black (x x ), orange (xoxo), or a mixture of orange and black called tortoiseshell (x xo). males are either black (x y) or orange (xoy). bill has a female tortoiseshell cat named patches. one night, patches escapes from bill\'s house, spends the night out, and mates with a stray male. patches later gives birth to the following kittens: one orange male, one black male, two tortoiseshell females, and one orange female. what are the genotypes of patches, the stray male, and the kittens?

Which particle controls what element an atom is?