Biology, 21.01.2020 01:31 animegirl02
By rotating their crops, farmers can reduce their dependence on fertilizers, herbicides, and pesticides. despite the benefits of crop rotation, many farmers only grow one or two crops year after year. this increases their use of fertilizers, herbicides, and pesticides. what two types of pollution are demonstrated in this real world example?
group of answer choices
toxic
sediment
nutrient
bacterial
Answers: 2
Biology, 21.06.2019 23:50
Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.
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How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?
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What were the main components of earthโs earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen
Answers: 1
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What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water
Answers: 1
By rotating their crops, farmers can reduce their dependence on fertilizers, herbicides, and pestici...
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