The first one is have the refrigerant level checked by a qualified professional. The technician will be checking any possible leak, damage and conduct test on the system. Second is to ensure airflow. Change the filter regularly, usually about every three months or maybe monthly, depending on its usage. Have the coils cleaned by a professional if it is already dirty. The third method is to not use your air conditioner when the outside temperature is below 60º. You will be saving energy and money on utility costs by just opening the windows on cool days.
Answer:
What is true of natural selection? A. Natural selection is a random process. B. Natural selection creates beneficial mutations. C. The only way to eliminate harmful mutations is through natural selection. D. Mutations occur at random; natural selection can preserve and distribute beneficial mutations.
The answer is D
Explanation:
natural selection can simply be explained as individuals that have specific inheritable traits will most likely tend to adapt and survive and as well reproduce at higher rates than others. mutation occurs when the nucleotide sequence of an organism changes. so natural selection can preserve and distribute beneficial mutations.
The most likely result would be that the placenta wouldn’t be strong enough to support a pregnancy and would result in a miscarriage or infertility
Answer:
Glucocorticoids: alclometasone, prednisone, dexamethasone, triamcinolone
Mineralocorticoid: fludrocortisone
Vitamin D: dihydrotachysterol
Androgens: apoptone, oxandrolone, oxabolone, testosterone, nandrolone (also known as anabolic steroids)
Oestrogens: diethylstilbestrol (DES)
Progestins: danazol, norethindrone, medroxyprogesterone acetate, 17-Hydroxyprogesterone caproate.
Explanation:
These are all synthetic steroid hormones.
A) would be the only correct one from my knowledge. Mutualism is when neither Organism is harmed and both live <em>mutually </em>together, and Parasitism is when an Organism is living on the, ex. nutrients, of the host.
