Which activity would help decrease the greatest
carbon-releasing activity in US homes?
A. limiting time in hot showers
B. wearing layers of clothing
C. turning off lights when leaving a room
D. unplugging electronics when not in use

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?

One of the reasons that stars are so large is because

Which structure in the cardiovascular system connect arteries to veins?