2024年5月24日 · DDT was banned in the US in 1972 due to its harmful effects on the environment and wildlife. It was found to bioaccumulate in the food chain, causing harm to birds, fish, and other animals.

2024年6月27日 · DDT was used in the later 1950's and early 1960's for the erradication of mosquitoes, and other insects. It pretty much cured the Malaria in America and a great deal of the world. It was banned ...

2024年6月11日 · The concentration of DDT in fish is typically thousands of times greater than in seawater due to biomagnification, where DDT accumulates in organisms higher up the food chain. This accumulation ...

2023年10月6日 · Also reduces problems linked with over use of pesticides eg bioaccumulation and biomagnification (a good example being DDT)- Reduced use of artificial nitrogen fertilisers reduces the risk of ...

2024年11月17日 · Adrenaline is a hormone that triggers the body's "fight or flight" response, increasing heart rate, blood flow to muscles, and energy production. This can result in a temporary boost in physical ...

2024年5月21日 · Does osmosis use oxygen if its available? No, osmosis is a passive process that does not require the use of energy or oxygen. It is the movement of water molecules across a semi-permeable membrane ...

2022年12月13日 · Basic Answer: Saturn is much larger than Earth, as are all the gas giant planets. How large depends on whether you are comparing the apparent size or diameter, the mass or the volume. 1. Linear ...