What is the climatic zone closest to the equator?

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.

Aboy with an extra x chromosome probably has which of the following syndromes?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.