Which of the following is a way in which elements and compounds are different? O A. Elements are pure substances, but compounds are not
B. Compounds can be broken down by physical changes, but elements cannot.
C.
Elements are made of identical atoms, whereas compounds are made of
identical molecules,
D. A compound contains many different kinds of elements, whereas an element
contains many different kinds of atoms.​

Why are adults bigger than they were as children biology

During sunny hours, a large amount of build up between the hours of 1: 00-5: 00 pm. a. ozone b. mercury c. lead d. sulfuric acid

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?