Answer:
Crossing over occurs during prophase I of meiosis before tetrads are aligned along with the metaphase I.
Answer:
a low hydrogen ion concentration and a high pH
Answer:
They lower the activation energy
Explanation:
Answer:


Which human health effect(s) can result from the PBDEs in the Great Lakes?

Explanation:
PBDE exposure relate primarily to thyroid disorders, reproductive health, cancers and neurobehavioral and developmental disorders.
<h3><u>Hope this helps!</u></h3>