<span>D) Vaccines allow for building immunity without harmful exposure because not all viruses are safe to be exposed to.</span>
Answer:
biotic factor = vegetation cover and insect abundance
Explanation:
abiotic factor = ambient temperature, cloud cover, wind strength
Answer:
They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism.
Metabolic waste is the left over products of both catabolism and anabolism. This waste includes salts, phosphates, sulfates, excess substances, and nitrogenous wastes like urea which are eliminated through urine.
Ovaries produce and release two groups of sex hormones—progesterone and estrogen. There are actually three major estrogens, known as estradiol, estrone, and estriol. These substances work together to promote the healthy development of female sex characteristics during puberty and to ensure fertility.
i would say that the answer is ( A )
In the given situation, the payback period decreases as the electricity cost increases, i.e., option C is correct.
<h3>What is payback period?</h3>
The payback period is the amount of time required to recover the cost of an investment or to reach the breakeven point for an investor.
Shorter payback periods indicate more appealing investments, whereas longer payback periods indicate less desirable investments.
In the given situation, the payback period decreases as the electricity cost increases.
Thus, the correct option is C.
For more details regarding the payback period, visit:
brainly.com/question/13057308
#SPJ1
