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sergiy2304 [10]
3 years ago
10

What is the cancer causing sgent in tobacco?

Biology
1 answer:
Andreyy893 years ago
8 0
There are about 250 chemicals that are harmful including carbon monoxide and ammonia.
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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
3 years ago
In galapagos finches, Darwin noted that beak size and shape seemed to reflect
Hatshy [7]

...that seemed to reflect the size of seeds the birds ate.

3 0
3 years ago
1. The ribosomes of which of these pairs of organisms would be expected to be most similar?
chubhunter [2.5K]

In this case, the ribosomes organelles of Satyrinae and Charazinae are expected to be most similar.

<h3>What is evolution?</h3>

Evolution refers to the descendence with modification and therefore differences are lesser in close species.

According to the tree, the statement 'Nymphalidae share a common ancestor with other butterflies' best supports the theory of evolution.

In conclusion, in this case, the ribosomes organelles of Satyrinae and Charazinae are expected to be most similar.

Learn more about evolution here:

brainly.com/question/4207376

#SPJ1

8 0
2 years ago
What are the names of pathogen and vector of disease "Malaria" ?
Katyanochek1 [597]
Malaria is a Parasitic disease with four kinds of pathogen:

Plasmodium Vivax
Plasmodium Ovale
Plasmodium Malariae
Plasmodium Falciparum  [ Most dangerous ]

The Vector of Malaria is "Female Anopheles"

Hope this helps!
5 0
3 years ago
The army cutworm moth is a critical source of fat for many of yellowstone national park's grizzly bears; they overturnrocks to f
Effectus [21]
Bears, which overturn rocks to find the insects, consuming
as many as.
4 0
3 years ago
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