Acid rain can be very harmful, mildly harmful, or not harmful at all. It mainly depends on the density of the rain, and how bad the current air pollution in the area is. Also, it depends on how often the area gets acid rain. The first few times an area gets acid rain, it's nearly harmless. Then, the next few it can be very dangerous, but eventually gets weaker over time. More air polluted areas are more likely to get much more harmful acid rain.
Summary: Acid rain is usually mildly harmful, mostly only harmful to infrastructures.<span />
C) A cell membrane.
Bacteria are unicellular and do not have a nucleus.
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Answer:
Gene therapy is used to correct defective genes in order to cure a disease or help your body better fight disease. Researchers are investigating several ways to do this, including: Replacing mutated genes. Some cells become diseased because certain genes work incorrectly or no longer work at all
The body controls this process of puberty through release of hormones, leutenizing hormone and follicle stimulating hormone for the development and maturity of the testes and sperm cells. also androgens will be released and are responsible for the male secondary sexual characteristics such as breaking vice and hair presence under the armpits and the pubic area<span />
1) This system makes your skin water-resistant. When you get wet, the water beads on the surface of your skin because of this system. The epidermis system within the integumentary system is what makes this happen.
2) It helps you maintain body temperature. Because of thermoregulation, your body maintains a steady temperature. If it didn't the chemicals in your body could be offset. Also, when your body temperature rises, your skin produces sweat that evaporates and works to cool you down.