Biology, 29.06.2019 16:30 struckedblazing
According to studies done by the minnesota pollution control agency, the lakes and streams across minnesota are contaminated by pharmaceuticals, cosmetic ingredients, and endocrine-disrupting compounds. even in remote areas of the state, chemicals such as antibiotics, nicotine breakdown products, antidepressants, and medications to regulate diabetes, cholesterol, and blood pressure, were detected. the insect repellent deet was detected in 91% of the lakes studied. previous studies showed that these compounds often turned up downstream from wastewater treatment plants but recent research has shown that they are also found even in remote lakes or upstream waters. researchers believe that these chemicals enter the water table through septic systems and stormwater and are not impacted by wastewater treatment plants. a) collection b) pollution c) runoff d) treatment
Answers: 2
Biology, 22.06.2019 05:30
Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.
Answers: 1
Biology, 22.06.2019 06:40
The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3
Answers: 3
Biology, 22.06.2019 09:00
The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)
Answers: 1
According to studies done by the minnesota pollution control agency, the lakes and streams across mi...
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