Which of the following is a form of point-source pollution? a. oil leaks from automobiles c. pesticide runoff b. gasoline leaks from power boats d. sludge dumping select the best answer from the choices provided a b c d

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

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?