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alexandr1967 [171]
4 years ago
6

Answer and explain plz:)

Biology
1 answer:
Gekata [30.6K]4 years ago
4 0

Hey There!!

The answer to this is: C) a factor that may affect an experiment or investigation. This is the best answer. A and B can be eliminated. D describes a controlled variable which is more specific than a scientific variable, thus C is the best answer. It is the best description of just a scientific variable. And, The second one is B: Robert Hooke was a famous scientist who experimented with springs (metal coils). He found that the farther you stretched the spring, the larger the force with which the spring pulled back on you.

Hope It Helped!~ ♡

ItsNobody~ ☆

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Science A
Alex787 [66]

Answer:

1. slump ; 2. mudflow ; 3. landslide

hope this helps!!

5 0
2 years ago
One polled (hornless) bull is bred to 3 cows. With Cow A, which is horned, a polled calf is produced. With Cow B, also horned, a
Arisa [49]

Answer:

Bull = Pp

Cow A = pp

Cow B = pp

Cow C = Pp

Explanation:

In cows polled (P) is dominant over horned (p) trait.

The bull is polled so it can be PP or Pp. Cow B is horned so it must be pp. Resultant offspring from bull X Cow B is also a horned calf (pp). This calf must have received one p from the bull. So the bull's genotype is Pp.

Cow A is also a horned cow so it must be pp. When bull X Cow A, a polled calf is produced. Since the bull's genotype is Pp and Cow A's genotype is pp, this polled calf will be Pp like the bull.

Cow C is polled like the bull so it can be PP or Pp. However on crossing with the bull (Pp) a horned calf is produced (pp). This calf got one p allele from the bull and p allele from the Cow C. So Cow C's genotype must be Pp.

Hence,

Bull = Pp

Cow A = pp

Cow B = pp

Cow C = Pp

5 0
3 years ago
how easy is it to breathe through a straw? when you breathe deeply, you pull in 4.0 l of air in about 3.0 s. this requires a pre
Ann [662]

I believe that both the velocity and the pressure difference breathe through a straw necessary for the liquid to rise to the straw's upper point should be calculated.

<h3>Is using a straw to breathe healthy?</h3>

Your body regains its natural balance and your response to stress is reduced with regular practice using a straw. Additionally, it can significantly lessen anxious feelings. Allowing your lungs to fully expand, take a comfortable seat with your back straight. Breathe in deeply and gently through the straw while exhaling thoroughly through your nose.

<h3>Through a straw, how do you breathe?</h3>

Breathing straw Use a drinking straw to conduct a complete exhalation to ensure that all the air has left your lungs. typical breathing (not through the straw). Completely exhale through the straw.

To know more about  breathe visit :-

brainly.com/question/3887418

#SPJ4

6 0
1 year ago
How does distance affect the strength of the force of gravity ?
pogonyaev
<span>The strength of the gravitational force between two objects depends on two factors, mass and distance. the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases.</span>
5 0
3 years ago
What is endoplasmic reticulum what are it's types​
nika2105 [10]

Answer:

There are two types of endoplasmic reticulum: rough endoplasmic reticulum (rough ER) and smooth endoplasmic reticulum (smooth ER). Both types are present in plant and animal cells. The two types of ER often appear as if separate, but they are sub-compartments of the same organelle.

Explanation:

there

4 0
3 years ago
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