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RoseWind [281]
2 years ago
11

Why must skeletons be hard and strong​

Biology
1 answer:
xeze [42]2 years ago
8 0

So they aren't broken quickly, and we aren't jelly, bones help us stay strong and upright

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What are two factors that ultimately decide what organisms can live in an area?
victus00 [196]

Answer:

abiotic and biotic factors

Explanation:

abiotic factors are things like sunlight, soil, minerals, ect.

biotic factors are things like plants, animals, fungi, ect.

4 0
3 years ago
What are the 3 steps of Natural Selection?
poizon [28]
There Are Actually 5 Steps.
Step 1: P<span>roduce More Offspring Than Can Survive
Step 2: </span><span>variations occur in a species
Step 3: </span><span>competition for limited resources
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5 0
3 years ago
The concentration of salt is higher inside a cell than outside the cell. The concentration of water inside the cell is lower tha
asambeis [7]

Answer:

C. Water will move into the cell through osmosis. The salt and water concentrations will become similar inside and outside the cell.

Explanation:

Osmosis is the movement of water from its higher concentration to the lower concentration through a semi permeable membrane. Here, the cell have higher salt concentration and lower water concentration as compared to its outside. Since cell membrane is semi permeable, salt cannot pass through it. So, water will move into the cell through osmosis to equalize the salt and water concentration on either side of cell membrane.

7 0
3 years ago
A child has type O blood. Which of the following couples could be the child's parents?
Fofino [41]

Answer:D Is the correct answer.

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3 0
3 years ago
A 30-kg object is falling in air with a force of 294 N due to gravity, and experiences a force of 50 N due to air resistance. Wh
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Answer:

derivation of newton second law of motion

motion states thay the acceleration of a system is directly propotional

w=mg

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