Answer:
Scientific Question: ... I will boil water and add a substance like salt to see if the boiling point increases.
No the sun is the biggest star in the universe.
Answer:

Explanation:
Hello,
In this case, since the density is defined as the ratio of the mass and volume:

We can compute the mass of blood as follows:

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Answer:
1250N
Explanation:
This question is based on pascal's Law.
So By Pascal's Law
=
therefore =force on input piston =25N
= Force or weight on output person.
therefore after putting the values we get,
= (25x 1500)/30
=1250N
Answer:
Nonbonding pairs of electrons.
Explanation:
Both oxygen atoms in the diatomic molecule have two nonbonding pairs. This results in the oxygen molecule having a planar geometric shape. This is because nonbonding pairs repel each other are significant in determining the shape of a molecule.