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lianna [129]
3 years ago
7

Which of the following statements is accurate?

Biology
1 answer:
PIT_PIT [208]3 years ago
4 0

C. Useful energy out of a system is always less than the energy input of that system.

Explanation:

The correct statement of the given options is that useful energy out of a system is always less than the energy input of that system.

This is in compliance with the third law of thermodynamics which states that "energy transformation in a system is not 100% efficient".

  • At every stage energy is usually lost when it is transformed from one form to another.
  • There is no machine that is 100% efficient.
  • A machine that is 100% efficient will convert all the useful energy in it to do work and even more.
  • In system energy is usually lost as a result of heat and to overcome friction.
  • This reduces the amount of energy out of a system.

learn more:

Third law of thermodynamics brainly.com/question/3564634

#learnwithBrainly

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To give birth to her infant, a woman is asked to push with contractions. which pushing technique is the most effective and safes
lesya [120]

While giving birth to her infant during labor, the safest and the most effective pushing technique taught to a woman during contractions is grasping knees, head elevated and breathing out.

During labor, it is very important for the mother to keep breathing. If she holds her breath, it will put pressure on the vena cava and lead to a reduction in the blood return. The head is kept elevated and the back is rounded which aids the abdominal muscles to help the uterus to push the baby out. Grasping the knees also helps in pushing and encouraging the movement of the infant outside the body.

To learn more about labor here

brainly.com/question/9598574

#SPJ4

4 0
2 years ago
Which artery serves the distal part of the large intestine via its left colic, sigmoidal, and superior rectal branches?.
Elan Coil [88]
Inferior mesenteric artery
The part of the colon located distal to the left colic flexure is derived from the hindgut is supplied by the inferior mesenteric artery. The distal part (lower third of the rectum) is supplied by the internal iliac artery. The ileocolic artery supplying the cecum is a branch of the superior mesenteric artery.
8 0
2 years ago
What characteristics classify organisms as animals?
antiseptic1488 [7]

Answer: There are certain physical and internal aspects of living organism that is used for the classification of animals.

Explanation: The characteristics that define an organism to be classified as animal are:-

  • Segmentation that defines the segments on the bodies of the animals which are of different kind
  • Whether the animal is in the category of chordata or non-chordata
  • Presence of embryo stage and number of tissue layers that are getting formed while the organism is developing
  • There are most chances of sexual reproduction.

5 0
3 years ago
Do projections on the surface of this virus allow the virus to attach to a host cell
castortr0y [4]
True

Good luck on your questions! :D

7 0
3 years ago
How many pounds of a producer would a chicken need to eat for 1 pound of a fox to eat?
pychu [463]
10 pounds

10% of energy moves on through each trophic level so if a chicken ate 10 pounds of a producer that would be equivalent to the fox eating 1 pound of chicken. (10 times .1 = 1)
5 0
3 years ago
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