C...both sperm and egg genetic material can be rearranged during their generation (meiosis).
The expirement is saying show the circle of water
1.the water mocules move apart so it is a gas
2. when the water mocules build up in the cloud and the water relese
3. the rain freezes then meltes and starts all over to 1
Under normal conditions it is not toxic
Adding ammonium nitrate to water turns the mixture cold and is a good example of an endothermic chemical reaction
Answer: B
Explanation:
Ammonia is so toxic that it can be transported and excreted only in large volumes of very dilute solution. As a result most terrestrial animals simply don't have access to sufficient water to routine excrete ammonia.
The main advantage of urea is its very low toxicity. Animals can transport urea in the circulatory system and store it safely in high concentrations. Also much less water is loss when a given quantity of nitrogen is excreted in a concentrated solution of urea than would be in a dilute solution of ammonia.
Answer:
The use of rocks and minerals includes building material, cosmetics, cars, roads, and appliances.
Explanation:
