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den301095 [7]
3 years ago
8

Please help

Advanced Placement (AP)
1 answer:
Alina [70]3 years ago
4 0

Answer: See explanation

Explanation:

1. High-density lipoprotein cholesterol is usually called the the good cholesterol due to the fact that it helps in removing other cholesterols that are harmful from ones blood. Normally, the higher the HDL levels in an individual, the better.

The risk of having an HDL of 25 is that it increases the chance of the person having a heart disease.

2. The healthy ranges for the following include:

a. Total cholesterol = Less than 200mg/dL

b. HDL = 40mg/dL or higher

c. LDL = Less than 100mg/dL

d. Triglycerides = Less than 150mg/dL

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3 QUESTIONS FOR 40 POINTS!! Will mark brainliest!!
Ann [662]

Answer:

1.) How do solar thermal generators work?

D.) They use solar cells to covert sunlight directly into electricity

2.) Fossil fuel dependence has an impact on which of the following?

A.) the environment

3.) How much money does the United States lose each year due to the non-local resource trade deficit?

D.) 300 billion

Explanation:

In solar thermal generators. they depends solely on sun's energy for its energy generation and distribution. <em>The energy generation made use of solar cells which are cells joined together in series which helps in trapping the sun's energy and converting them into electric charges for its onward transmission to the circuit and battery leading to electricity. </em>

On the other-hand, over dependence on fossil fuel causes environmental issues like global warming due to gas flaring etc.

4 0
3 years ago
Controls at railroad crossings include:
Softa [21]

To me, the Answer to this problem is A. Crossing Gates.

5 0
2 years ago
If the pond is resampled a year later, which of the following would best indicate that the pond had been adversely affected by a
Usimov [2.4K]

This question is not complete; here is the complete question:

A one-hectare pond is sampled in early September. The sample yields 1 small catfish as well as 17 benthic invertebrates that represent 10 species.

If the pond is resampled a year later, which of the following would best indicate that the pond had been adversely affected by adjacent development?

A. An uncommon species has become more numerous

B. An increase in low-tolerance species has occurred

C. A decrease in high-tolerance species has occurred

D. Phylogenetic diversity has occurred

E. The biodiversity of the pond has decreased

The answer to this question is E. The biodiversity of the pond has decreased

Explanation:

In ecology, an ecosystem can be affected by adjacent developments including human developments or even other ecosystems and this can lead to positive or negative consequences.

In this context, one example that shows the was an adverse effect is "The biodiversity of the pond has decreased" because the reduction in diversity represents a major thread for an ecosystem as this makes species more vulnerable to disappear. Also, this can be caused by factors such as pollution caused by human development or major predator of the adjacent ecosystem feeding on organisms in the main ecosystem. Besides this, in the first sample, there were multiple species and a reduction in the second sample shows the ecosystem was weakened.

3 0
3 years ago
What part of the brain is linked to conformity? (not a specific part just the frontal lobe in the right hemisphere or something
Pepsi [2]

<u>The frontal lobe is responsible for social conformity.</u> The frontal lobe is also responsible for planning, thinking, anxiety, stress, depression, etc. The frontal lobe takes credit for mostly logical and personal well-being.

4 0
3 years ago
Read 2 more answers
According to Jared Diamond, what are the three major elements that separate the world's "haves" from the "have nots"?​
Vsevolod [243]

Answer:

guns, germs, and steel

Explanation:

the three major elements that separate the world's haves from the have-nots are developing agriculture, living in areas without natural geographic barriers, and acquiring immunity to diseases.

6 0
2 years ago
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