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timofeeve [1]
3 years ago
9

Which of the following events happens first in the development of a new organism? A. A sperm fertilizes an egg to form a zygote.

B. A morula is formed. C. A blastocyst implants into the uterine wall. D. A zygote undergoes mitosis.
Physics
2 answers:
Ipatiy [6.2K]3 years ago
8 0

Definitely the answer is A

This process called Fertilization

Juli2301 [7.4K]3 years ago
5 0
The development of a new organism begins with answer A, the sperm must fertlize an egg to form the zygote.
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Select the correct answer,
Tresset [83]

Answer:

I'm pretty sure it's air pressure.

Explanation:

4 0
3 years ago
A 59 kg man has a total mechanical energy of 150,023. J. If he is swinging downward and is currently 2.6 m above the ground, wha
Alborosie

Answer:

v = 70.95 \ m/s.

Explanation:

Given data:

Mass of the man, m = 59 \ kg

Total mechanical energy, E_{i} = 150,023 \ \rm J

Height, h = 2.6 \ m

Suppose there is no external force acting on the man. In this situation, the total mechanical energy (kinetic + potential) will remain steady.

Let the speed of the man at 2.6 m be <em>v</em>.

Thus,

E_{i} = E_{f}

E_{i} = \frac{1}{2}mv^{2} + mgh

150023 = 0.5 \times 59 \times v^{2} + 59 \times 9.80 \times 2.6

\Rightarrow \ v = 70.95 \ m/s.

6 0
3 years ago
Nitric acid (HNO3) and potassium hydroxide (KOH) combine in a neutralization reaction to form water and a salt. Which of the fol
mrs_skeptik [129]

Answer:

The answer to your question is KNO₃

Explanation:

Data

HNO₃

KOH

neutralization reaction

Process

1.- In a neutralization reaction an acid reacts with an alkali and the products are water and a binary or ternary salt.

Reactants             acid = HNO₃      alkali = KOH

A neutralization reaction is a double displacement reaction so the salt formed is.

                   HNO₃  +  KOH  ⇒   H₂O  + KNO₃

Potassium nitrate

5 0
3 years ago
Read 2 more answers
If you are in motion can you have the same speed as someone else in motion but different velocities? Give an example
geniusboy [140]

Answer:

Yes

Explanation:

Velocity is a vector quantity, meaning it has size and direction, as opposed to speed, a scalar quantity which only has size.

An example is speed may be 30km/h, and an example of velocity is 30km/h East.

Therefore two people can have the same speed and different velocities because they can be traveling in different directions.

For example, you and your friend could be doing shuttles together but you started at one wall and they started at the other, so even though you are running at the same speed, you always have different velocities because they are running in the opposite direction as you.

Hope this helped!

7 0
3 years ago
Hi i think it 573 udaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
weqwewe [10]

Answer:

ummm I didn't understand the question

4 0
2 years ago
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