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3 years ago

What are some pros and cons of using bacteria to clean up oil spills

1 answer:

3 0

Pros (good):
- Inexpensive
- Can degrade the crudest oils
- Quick and minor waste is water and CO2

Cons (bad)
- Waves can carry bacteria into place they are not needed or wanted
- Germs may harm marie animals by putting excess CO2 in water
- Germs may be harder to exterminate because they are engineered

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A result of the Battle of Trenton was that:

Ann [662]

Answer : I hope this helps !

After a brief battle, almost two-thirds of the Hessian force was captured, with negligible losses to the Americans. The battle significantly boosted the Continental Army's flagging morale, and inspired re-enlistments.

3 0

2 years ago

Plyometrics can help a person maintain cardiorespiratory fitness true or false

Anna11 [10]

False
Explanation: Edge

5 0

3 years ago

If Plant A with yellow flower (dominant trait) is crossed with Plant B white flower (recessive trait), what is the percentage of

marysya [2.9K]

Answer:

100%

Explanation:

Yellow flower color (Y) is dominant over white flower color (y). Plant A is YY while plant B is yy:

YY x yy

Yy Yy Yy Yy

All the offspring would have Yy genotype and since Y is dominant over y, all of them will have yellow flower color as opposed to while.

Hence, the percentage of the offspring that will have a yellow flower would be 100%.

5 0

3 years ago

You are an almond grower and want to determine whether almond size (measured as shelled almond weight) is a heritable trait. A s

inn [45]

Answer: 1. S = 0.77

2. R = 0.14

Explanation:

1. Selection differential is the difference between the population mean and the average of the selected parents. Its symbol is S.

S = mean of selected parents - population mean

S = 6.48 - 5.71

S = 0.77

2. Response to Selection is how much gain you make when crossing over selected parents. Its symbol is R.

R = mean of offspring of selected parents - population mean

R = 5.85 - 5.71

R = 0.14

3. Heritability is, basically, a statistical variable that shows how much the variation in a trait is due to genetic factors. Its symbol is h².

To calculate it, use Breeder's Equation:

R = h²S

$h^{2}=\frac{R}{S}$

$h^{2}=\frac{0.14}{0.77}$

h² = 0.18

4. You would expect the production to be strongly influenced by environment, because heritability lies between 0 and 1. Low heritability means there is low level of resemblance between offspring and parents. As this program heritability is low, the resemblance is small, which means the characteristics are influenced mostly by the enviroment.

7 0

3 years ago

Determine the type of air mass that typically plays a role in the weather in your area. Describe the

OleMash [197]

Answer:

There are four categories for air masses: arctic, tropical, polar and equatorial. Arctic air masses form in the Arctic region and are very cold.

4 0

3 years ago