In new hampshire, the length of time ice covers on mirror lake each year has declined by
a. 1/2 day per year
b. 1 day per year
c. 1 1/2 days per year
d. 2 days per year

Correct A). 1/2 day per year

Mirror Lake has the longest ice records in the New Hampshire, New York State. People living here are facing ice cover since 1903. There is a major change observed in ice cover over a time period later it did in 1903.

There is a significant decrease in the time period of ice cover over the mirror lake is observed over a time. Nowadays, the duration of ice cover is 24 days less than it was in 1903.

a

Explanation:

answer; i believe the answer is (polygenic inheritance;

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 : )