How can having too much plant life in a body of water adversely affect the amount of oxygen in the water?
What will be an ideal response?
If the plant population in a body of water is too thick, the sun can be shaded from the lower levels of the water. This results in the plants at the bottom not having enough sunlight for photosynthesis, which means that they cannot produce oxygen.
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Sheep operations in the western half of the U.S. would typically be classified as
A) Range operations B) Farm flock enterprises
A Punnett square is used to _____
a. predict the results of crossbreeding b. predict the number of young to be born alive c. formulate rations d. predict the sex of the young
Which of the following is true of the flat outside corner joint?
A. It must be made with the addition of filler metal. B. It is one of the most difficult to make. C. If the sheets are tacked together properly, filler metal is needed. D. If filler metal is added, it should be added uniformly.
?If the letter K is used, it refers to ____.
A. ?the normal carbon point B. ?the range of manganese C. ?silicon-killed, oxidized steel D. ?an electrode