Which is an accurate description of silty soil? a. moderate porosity, low permeability b. moderate porosity, moderate permeability c. low porosity, moderate permeability d. moderate porosity, high permeability

A. moderate porosity, low permeability.

Explanation:

The porosity of silty soil is 0.35-0.5. It is moderate porosity.

Also slit is a poorly permeable soil type.

answer: a) a compound microscope has a greater magnification ability than a simple microscope.

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.