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water pollution/soil

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1.
1 point
Soil is best if between pH ___ (except for certain acid loving plants)
2.
1 point
If soil is too acidic, add ________
3.
1 point
_____________ is when nutrients added to water which brings algae blooms. These die and bacteria increases and uses up oxygen
4.
1 point
________ water with high levels of organic matter can contain oxygen consuming bacteria that leads to eutrophication
5.
1 point
Cross section of the soil is called ______________
6.
1 point

Element that influences quality and protein content of fruit ?
7.
1 point
Caused from erosion of arable land in the midwest
8.
1 point
_____________Supports the protection and propagation of wildlife and recreation in and on the water
Defined standards of acceptable limits of various pollutants
Control how much discharge industries and put in water
9.
1 point
Layer of the soil that contains parent material?
10.
1 point
parasites and bacteria that can make humans ill. These are called ____________
11.
1 point
Most organic layer of the soil ______
12.
1 point
____million deaths per year caused by unsafe drinking water
13.
1 point
___________is the contamination of water by substances produced by human activities and that negatively affect organisms
14.
1 point
More microbes, the more they demand oxygen
15.
1 point
________comes from burning fossil fuels and leads to death of trees and aquatic ecosystems.
16.
1 point
Type of erosion formed by water flowing down valley sides
severe when vegetation removed and geological materials uncemented
17.
1 point
Type of non point pollution
18.
1 point
___________ occurs naturally in rocks, but is increased by humans breaking up rocks. Leads to various cancers.
19.
1 point
As water temp decreases, DO levels decrease, thus eutrophication is worse in summer
20.
1 point
Lead is the element that is found in high levels in fish and causes central nervous system damage and can hurt fetuses.
21.
1 point
Dissolved oxygen increases as temperature increases
22.
1 point
Leaf litter layer of the soil?
23.
1 point
______comes from fertilizers, farms, sewage, lawns, golf courses, and leads to eutrophication
24.
1 point
_______ is the amount of oxygen microbes use when breaking down waste (measures odw)
25.
1 point
If soil is too basic,
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