1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Contact [7]
4 years ago
12

What is the function of the placenta?

Biology
2 answers:
Sav [38]4 years ago
8 0

Answer:

The correct answer is the 4-It nourishes the embryo option.

Explanation:

Hello!

Let's solve this!

The placenta is a structure that develops during pregnancy, through which the baby feeds, takes oxygen and receives nutrients.

With this knowledge, we can say that the correct answer is the 4-It nourishes the embryo option.

Degger [83]4 years ago
6 0
It nourishes the embryo. 
You might be interested in
What is the genotype of a person with type A blood, who had a father with type O blood?
Ahat [919]

Answer:

C

Explanation:

Father/mother must each donate a blood gene to the child. Father must have a genotype of ii because O blood is recessive. Thus, the kid must have one O type gene. However, the kid has A type blood overall, so the kid must have an A (dominant) gene as well. Thus, the answer is IAi.

4 0
3 years ago
You've calculated that the payback
ElenaW [278]

In the given situation, the payback period decreases as the electricity cost increases, i.e., option C is correct.

<h3>What is payback period?</h3>

The payback period is the amount of time required to recover the cost of an investment or to reach the breakeven point for an investor.

Shorter payback periods indicate more appealing investments, whereas longer payback periods indicate less desirable investments.

In the given situation, the payback period decreases as the electricity cost increases.

Thus, the correct option is C.

For more details regarding the payback period, visit:

brainly.com/question/13057308

#SPJ1

6 0
2 years ago
What would happen if the cell membrane were not selectively permeable ? Support your response
olga55 [171]
<span>It would be easier for harmful substances to enter.

</span>
6 0
4 years ago
Explain why the sperm cells differ from other cells in the male<br>​
Serga [27]

sperms are gametes (reproductive cells) which have half the number of chromosomes (22 autosomes +1 sex chromosome) .Those cells have 23 chromosomes only as their nucleuse fuses *during fertilization* with the ovum's nucleuse which has 23 chromosomes as well . Also it has a special structure which makes it adapted for movement since it's a mobile cell

4 0
3 years ago
In the essay box below, submit any observations you made, as well as the answers to the questions above. Then write a summary pa
Paha777 [63]

Answer:

So i just finished doing this project and this what i put, I hope this helps (:

Explanation:

1. When mass 1 increases the force between the objects increases. If Mass 2 decreases, the force between the objects decreases

2. An object with more mass has more/less gravitational force than an object with a smaller mass. Objects that are closer together have more/less of a gravitational force between them than objects that are further apart. The more separation two objects have, the more the force between them decreases.

3. The forces are equal (Newton's third law of motion)

4. The force between the spheres will quadruple

5. ( I dont know what this is )

6. The force of gravity exerted by the notebook on you is negligible

--The force of gravity

If there is a force between all masses, why are you not pulled toward your desk by the desk’s gravity when you walk away from it? Remember that the net force on you determines how your motion changes. The force of gravity between you and the desk is extremely small compared with other forces constantly acting on you, such as friction, the force from your muscles, Earth’s gravity, and the gravitational pull from many other objects. The strength of the gravitational force between two objects depends on two factors, mass and distance. The Mass of the Objects The more mass two objects have, the greater 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.

--The Distance Between the Objects

As distance between the objects increases, the force of gravity decreases. If the distance is doubled, the force of gravity is one-fourth as strong as before.

--Gravity on Earth

​​​​​​​ The force of gravity acts on both masses equally, even though the effects on both masses may be very different. Earth’s gravity exerts a downward pull on a dropped coin. Remember that every action force has an equal and opposite reaction force. The coin exerts an equal upward force on Earth. Because the coin has an extremely small mass compared with Earth, the coin can be easily accelerated. Earth’s acceleration due to the force of the coin is far too small to notice because of Earth’s large mass. The acceleration due to Earth’s gravity is called g and is equal to 9.8 m/s2 at Earth’s surface. You can calculate the force of Earth’s gravity on an object at Earth’s surface using the object’s mass and this acceleration. The formula that expresses Newton’s second law is F = ma. If you use g as the acceleration, the formula for calculating the force due to gravity on a mass close to Earth’s surface becomes F = mg.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Using the periodic table and your knowledge of atomic structure. Compare the number of electrons in a Carbon-12 and Carbon-14 is
    11·2 answers
  • Which cell organelles function resembles the function of the brain in higher animals
    6·1 answer
  • If the inner mitochondrial membrane were freely permeable to h+, atp production by atp synthase would __________. See section 3.
    14·1 answer
  • Leaves
    5·1 answer
  • Present state and current conditions of the atmosphere.
    8·2 answers
  • An illustration of how convection current creates a wind, called a sea breeze, is provided. Which of the following best explains
    5·2 answers
  • Will give the brainliest!
    14·1 answer
  • Help Please
    9·1 answer
  • Assume E. coli are grown in a nutrient medium containing the radioisotope 16N. After a 48-hour incubation period, where in E. co
    10·1 answer
  • What is leaf?.......<br><br>​
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!