Oil spills happen in our oceans. some oils contain volatile organic compounds; these compounds make the oil denser. what large-scale impacts could this kind of oil spill have on the ocean environment?

oil is natural and doesn't have an overall negative impact on the ocean environment.
oil that is denser will sink and have a negative impact on the ocean environment.
oil that is denser will float on the ocean's surface and will have a negative impact on the environment.
oil will impact only a small area of the ocean and not have a large-scale impact on the environment

Which of the four major uses is predicted to change the least by 2020?

Where is energy trapped inside the organelle chlorophyll

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?