Which of the following statements is true? moraines form when glaciers pick up large rocks. plucking happens when glaciers deposit rock and sediment. since 1979, the polar ice caps have grown in size about 20%. older glaciers have longer ice crystals than younger ones.

Moraines form when glaciers pick up large rocks.

Moraines are accumulations of stones, large rocks and sediments carried and transferred by a retreating glacier. A moraine is deposited as a ridge formed at the direction parallel to the ice movement.

"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.