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gavmur [86]
3 years ago
11

Explain why malaria is still a problem even when we know of ways to control it.

Biology
1 answer:
Nataly_w [17]3 years ago
8 0
We can control it. It's just that our world "leaders" seem to use use money and drugs for other things. It cost money to even make money, yet, people don't want to spend it.
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What would you use to measure an amount of solid sodium chloride(NaCl) crystals to add to a 30 mL solution?
Sphinxa [80]

Answer:

Spectrophotometer that measures between 100 and 900 nanometers.

Explanation:

dont quote me on this

6 0
3 years ago
In 3–5 sentences, compare and contrast the flow of matter and energy in each trophic level for land-based ecosystems and marine
Mnenie [13.5K]

Answer:

Unlike matter, as energy flows through an ecosystem in one direction, from photosynthetic organisms to herbivores to omnivores and carnivores and decomposers, less and less energy becomes available to support life.

Explanation:

Primary producers use energy from the sun to produce their own food in the form of glucose, and then primary producers are eaten by primary consumers who are in turn eaten by secondary consumers, and so on, so that energy flows from one trophic level, or level of the food chain, to the next.

Energy is acquired by living things in three ways: photosynthesis, chemosynthesis, and the consumption and digestion of other living or previously-living organisms by heterotrophs.

Living organisms would not be able to assemble macromolecules (proteins, lipids, nucleic acids, and complex carbohydrates) from their monomeric subunits without a constant energy input.

4 0
3 years ago
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PSYCHO15rus [73]
Hello Littlefoot2645. I do believe the answer would be that of the process of "mutation," thus it occurs by human interference, specifically, although, initially, naturally-speaking, only occurring by natural selection in onslaught of period time frames.
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3 years ago
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Why is it good sanitary practice to wash dishes immediately after a meal?
levacccp [35]
The reason why good sanitary practice should be observe and done especially in terms of washing dishes immediately after a meal in order to prevent bacteria from going and by this, it makes the enviroment more clean and more safe to people to live in. It is because when plates or used utensils are not cleaned after having it used, bacterial growth could sprout, making the environment dirty and dirt could interfere with someone's health into having them acquire illness that would also affect not only one person but also other people living in the house. That is why good sanitary practice is observed, not only because it promotes cleanliness but it is also because for the better health of the individuals.
6 0
3 years ago
Waters high heat protects organisms in ocean from what
Alja [10]

Answer:

Water's high specific heat allows it to absorb a large amount of heat without changing much in temperature, keeping a relatively constant temperature in oceans and lakes which is beneficial to marine life. If water did not have a high specific heat, then it would increase in temperature very quickly and oceans and lakes would have drastic changes in temperature in very short periods of time. This could harm or kill the organisms living in them.

<h3>hope this was helpful :)</h3>

5 0
3 years ago
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