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ryzh [129]
4 years ago
6

WILL MARK BRAINLIEST!!!1PLZ HELP!!!

Biology
2 answers:
inysia [295]4 years ago
5 0
A) gamma rays, ultraviolet waves, microwaves
olganol [36]4 years ago
4 0

Answer:

gamma rays, ultraviolet waves, microwaves

Explanation:

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Which of the following statements is correct about the position of the foot and ankle complex during running movements?a. The fo
zavuch27 [327]

Answer:

b. The foot and ankle should be pointing straight ahead in a dorsiflexed position when it hits the ground

Explanation:

Dorsiflexion is a movement in the ankle where the toes point in an upward direction allowing for correct foot strike if done properly at approx. 15 degrees. As you run, dorsiflexing your foot puts it in an ideal position to absorb the shock of the landing while simultaneously tensing your muscles to spring forward into the next stride which allows a reduced ground contact time per stride, allowing you to run faster and more efficiently.

If a runner has poor dorsiflexion they may experience a ‘loose’ or ‘floppy’ foot due to relaxation at the ankle joint which results in striking the ground through the toes which causes poor force distribution resulting in injuries such as shin splints and runner’s knee.

3 0
4 years ago
Which type of heterotroph is a mouse?
AVprozaik [17]

Answer:

D

Explanation:

Both mice and rats are omnivores, which means they eat plants and animals, but they tend to enjoy different food items. During times of starvation, a mouse will even eat its own tail!

5 0
3 years ago
10.LID)..
kherson [118]

Answer:

Climate change?

Explanation:

5 0
4 years ago
Which combination of species and structure is considered to have a possible copulatory function due to the size and disparity be
valentinak56 [21]
I do not know the answer to the question
5 0
3 years ago
A population of Muscovy ducks contains 13 birds with black masks and 37 birds with red masks. Red masks are the dominant trait.
Semmy [17]

Answer: Black allele has frequency of 0.14.

              Red allele has frequency of 0.86.

             The frequency of heterozygotes is 0.241

Explanation: <em>Hardy-Weinberg model </em>states the frequency of alleles in a population will stay in equilibrium as long as there are external influences. It is also used to determine alleles frequencies using the following equations:

p+q=1

p^{2}+2pq+q^{2}=1

p represents frequency of dominant allele;

q represents frequency of recessive allele;

2pq is frequency of heterozygotes;

For the frequency of red allele, which is dominant, we can use:

p^{2}=\frac{37}{13+37}

p^{2}=\frac{37}{50}

p^{2}=0.74

p=\sqrt{0.74}

p = 0.86

For the black allele:

p+q=1

q=1-p

q=1-0.86

q = 0.14

Frequency of heterozygotes is

2pq = 2(0.86)(0.14)

2pq = 0.241

<u>Frequencies for a population of Muscovy ducks are </u><u>0.86 for red allele, 0.14 for black allele and 0.241 for heterozygote.</u>

5 0
3 years ago
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