Agroup of scientists studied the invasion of a species in an area and its effect on the population of a native species. study the given data and determine the percent decrease in the native species population between years 1 and 2 and years 2 and 3. population of native species year 1 7,950 year 2 3,460 year 3 1,380 a. 49.6% and 55.3% b. 56.5% and 60.1% c. 52.5% and 63.3% d. 50.4% and 68.9% e. 54.3% and 67.6%

*will mark brainliest to the first and correct answer less species diversity results in less a. oxygen b. food c. drinkable water d. all of the above

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

Bisphenol a (often called bpa) is a chemical found in products that people use every day, from water bottles to food containers to children's toys. unfortunately, bpa leaches out of its many products and makes its way into our bodies. what are the health effects of bpa exposure? ongoing research is finding that elevated exposure to bpa can affect a wide variety of developmental and physiological processes, but one of the first studies of bpa's health effects came about because of a simple mistake in the lab. at a laboratory at case western reserve university in 1998, geneticist patricia hunt was making a routine check of her female lab mice. as she extracted and examined developing eggs from the ovaries, she began to wonder what had gone wrong. she noticed that many of the eggs showed problems with their chromosomes, and some had irregular amounts of genetic material, which can lead to miscarriages and birth defects in mammals. she learned that a lab assistant had mistakenly washed the plastic mouse cages and water bottles with a harsh soap, releasing bpa from the plastic. knowing that bpa is an endocrine disruptor, a chemical that can enter organisms and mimic hormones, hunt set out to discover whether it had adversely affected her mice.