1. james hutton developed the principle of uniformitarianism. which
of the following statements best describes that principle?
a. it was developed based on observations of living
organisms.
b. since hutton was a geologist, the principle had no
influence on darwin's work.
c. it proposed that the processes that shaped earth in the
past no longer occur today.
d. it proposed that earth was shaped by the same physical
processes in the past as it is in the present.

you can get banned on this website if you post your quizzes here. . . .

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation:

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: