Which statement describes continental crust? select the three correct answers.

a. its made mostly of volcanic rock

b. it is formed in all parts of the continents

c. it is less than 10 km thick

d. it is destroyed by melting near the top of the mantle

e. it age ranges from very young to more than 4 billion years old

this transfer is call conjunction

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.

i believe the answer would be b. hope it : )