Concerning half-life of hormones
a. hormones with shorter half-life are maintained at more constant levels in the blood.
b. hormones with shorter half-life regulate activities with a slow onset and long duration
c. lipid soluble hormones generally have a longer half-life.
d. lipid soluble hormones are degraded rapidly by enzymes
e. water soluble hormones usually combine with plasma proteins.

a. lipid-soluble hormones generally have a longer half-life.

Explanation:

The hormones are the chemical substances which are produced by the glands it in the body to conduct a specialized function in the body. The biological half life of the hormone can be define as the time it takes so as to reduce half of it's functional or physiological activity.

The lipid soluble hormone does not easily solubilize in the body fluids. It is easily diffuse through the cell membrane and performs it action. It generally have a longer half life. The examples of the such hormones includes progesterone, testosterone and aldosterone.

answer:

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"sunlight reaches earth's atmosphere and is scattered in all directions by all the gases and particles in the air. blue light is scattered more than the other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time."

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