Which of the following is the female reproductive structure of the flower?
a-anther
b-pollen grain
c-sepal
d-carpel

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

As a small change in a person's dna can cause a genetic disorder

What did hunter gathers do to alter the environment?