The major function of the placenta is to
(1) cushion the fetus so it won’t be hurt when
the mother moves
(2) exchange food, oxygen, and waste between
mother and fetus
(3) store food for the fetus
(4) support the egg for the process of fertilization

Substances effect: partially blocks (h+)/pyruvate symporter, interfering with the transport of pyruvate into the mitochondria. will this make the body lose or gain weight?

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.