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RoseWind [281]
2 years ago
10

Please help me I have no idea what it is

Biology
1 answer:
notsponge [240]2 years ago
3 0

Answer:

A. A year of drought followed by four years of average or above-average rain

Explanation:

In the first year the Finches population goes down drastically meaning that a disaster must have occurred that would negatively affect the population, a drought. The next four years the Finch population increases steadily so the average rainfall must have been average or above average according to the graph.

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A state is looking to reduce the cost of transportation, which uses 7.10×10^14 BTUs per year. Currently the cost of 10^6BTUs is
Ilia_Sergeevich [38]

Answer:

$ 284 million dollars

Explanation:

If the energy usage of all transportation is 7.10 × 10¹⁴ BTU per year, if their efficiency is to increase by 20%, The new energy usage will be (1 + 20/100)7.10 × 10¹⁴ BTU per year = (1.02)7.10 × 10¹⁴ BTU per year = 7.242 × 10¹⁴ BTU per year.

The energy saved is thus the difference 7.242 × 10¹⁴ BTU per year - 7.10 × 10¹⁴ BTU per year = 0.142 × 10¹⁴ BTU per year.

Since 10⁶ BTU costs $ 20.00, then,

0.142 × 10¹⁴ BTU costs 0.142 × 10¹⁴ BTU × $ 20.00/10⁶ BTU = $ 2.84 × 10⁸ per year = $ 284 million dollars

So the state saves $ 284 million dollars in one year

8 0
4 years ago
How do trees interact with other organisms?
chubhunter [2.5K]

Answer:

D

Explanation:

trees interact with other organisms by providing food, shelter, and nutrient cycling.

6 0
3 years ago
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Please help with my biology
FromTheMoon [43]

Answer:

The answer should be Carbohydrates

Explanation:

Not sure if thats a typo on your end

The real answer is Glucose but Carbs are a form of Glucose

4 0
3 years ago
Why do you think certain laundary detergents contain starch
nirvana33 [79]
Hello user

Question: <span>Why do you think certain laundry detergents contain starch

Answer: Starch is used to clean things some don't contain it because some people believe it is harmful and are allergic to it.

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