False. Advertisers are not a good course of scientific information because they are a biased source. Since their goal is to sell, you cannot trust the information they supply.
Answer:b
Explanation: b is correct
Pesticide use can be very harmful beacause too much of them can cause the crops to go bad, and kill bees which help spread pollen and enhance the crops.
Answer:
There are seven currently recognized families of bees: Apidae, Megachilidae, Halictidae, Andrenidae, Colletidae, Melittidae, and Stenotritidae. The largest one, Apidae, includes our well-known honey bees and bumble bees. However, these bees make up only a fraction of total bee diversity even within their own family.
Explanation:
Compared to arteries, valves have no pulse, have thin walls and have valves that prevent backflow of the blood. The pressure in the veins is less than that of the arteries, hence, there is no pulse. They are nearer to the surface of the skin. It also connects arteries and capillaries which transport blood all throughout the circulatory system.
