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Svet_ta [14]
2 years ago
9

Which of the following sentences best describes what is shown in the above picture?

Chemistry
2 answers:
viva [34]2 years ago
7 0

Answer:

I PROMSE IM RIGHT

a single-celled organism

Explanation:

The above picture shows a a single-celled organism. Specifically, it is a protozoan with many cilia, which are the small white hair-like projections.

velikii [3]2 years ago
5 0

Answer:

Cells of a multicellular organism

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Why do you see a flash of lightning before you hear the thunder during a storm?
snow_tiger [21]

Answer:

the speed of light travels much faster than the speed of sound.

4 0
2 years ago
Which statement is true about a proton and an electron?
tatyana61 [14]

Answer: (3) They have different masses and the same charges.

Explanation:

Atoms are mainly composed of three main types of particles (in fact there are more particles that are smaller and make up these main particles): electrons, protons and neutrons.

In the specific case of  <u>electrons</u> and <u>protons</u>, <u>both have the same charge, but electrons have the opposite sign</u>. This means a proton has an electric charge of  +1 and an electron has an electric charge of  −1.

On the other hand, <u>protons have more mass than electrons.</u> In fact, thetex]mass of an electron is about approximately \frac{1}{2000} the mass of a proton, this means these negative charged particles contribute almost nothing to the total mass of an atom (unlike protons, which together with neutrons, make up virtually all of the mass of an atom).

However, each atom that is electrically neutral has the same quantity of electrons as protons.

5 0
3 years ago
Annie has a soccer ball and a kickball she kicks each ball with the same force the soccer ball accelerates at 3 m/s to the secon
Alexxandr [17]

Answer:

Because of less weight kick ball has more acceleration.

Explanation:

Acceleration of kick ball:

5 m/s

Acceleration of soccer ball:

3 m/s

Newton's second law:

According to newton's second law the acceleration of object depends upon two variables.

1) Mass of object

2) Force acting on it

Mathematical expression:

a = f/m

a = acceleration

f = force

m = mass

The force on balls are same thus the acceleration is depend upon the masses of balls.

The soccer ball has more weight that's why its acceleration is less while kick ball is lighter and thus its acceleration will more.

8 0
2 years ago
Which have more molecules ? 20 g of ammonia or 30 g of oxygen gas?​
hodyreva [135]

I think it's oxygen gas

5 0
3 years ago
Which of the following best describes an advantage of genetic engineering?
amm1812

Answer:

d

Explanation:

d

4 0
2 years ago
Read 2 more answers
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