Dimpled chin and free earlobes are two dominant characters in humans. smooth chin and attached earlobes are recessive characters. a person has the genotype ddff. which of the following statements is correct with respect to this genotype

a. the person is heterozygous for the first character and homozygous for the second.

b. the person is homozygous for the first character and heterozygous for the second.

c. the person is homozygous for both characters.

Name the types of burns one can get and which structures of the integument are damaged

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?