Which of the following energy sources is expected to have the highest rate of consumption in 2030? a. coalb. natural gasc. nucleard. renewable energy 

Option A, Coal

Explanation:

Coal is the major source of energy in the world. Almost 40 Percent of the total electricity produced in the world comes from coal followed by natural gas (22 %), nuclear power (10%) and others (28%)

Considering the current energy share it is very prominent that in the coming years also the energy production from different sources share will remain the same.

Hence, option A is correct.

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )