answer:
the student <u>who</u> answers the riddle will get the prize
explanation:
- who is the pronoun
- a pronoun is something that substitutes for a noun
Answer:
1088.89 Pa
Explanation:
According to the Newton's second law of motion:-
Mass = 50.0 kg
Acceleration = g = 9.81 m/s²
So,
Force = 490 N
Area of the base =
=
m² = 0.45 m²
<u>Pressure = Force/Area =
= 1088.89 Pa</u>
Answer:
Option D. The nervous system regulates the movement of the muscular system.
Explanation:
The nervous system regulates the movement of the muscles as they receive signals from both the brain and nerve cells
Answer: Sulphur, Phosphorus, Wood are non-conductors of electricity due to no presence of free electrons in outermost shell.
Explanation:
Answer:
82.0343 g/mol
Explanation:
Count each element and the number of atoms for each element. Add them all together. Use the periodic table.