What would be the correct genotypes if you cross two (2) heterozygous guinea pigs? HH x Hh

Hh x Hh

HH x HH

HH x hh

hh x hh

hh x Hh

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations