Answer:
for part A the answer is D and for part B the answer is F
Crying is a signal of distress to babies.
Some reasons why babies cry: The baby is not feeling well, strange feeling that needs nappy change, a feeling of hot or cold, a feeling of tired and needs rest, a feeling of cuddling, feel like crying, and a feeling of hungry.
newton's second law states that an object accelerate only when there is a net force acting on it. this law is important in studying motions where the speed increases at constant rate or decreases at constant rate.
newton's third law states that for every action there is equal and opposite reaction. this law helps in understanding why a person gets injured while punching a wall with some force.
Answer:
The correct answer is - 6.49 × 10^3 mm.
Explanation:
The correct scientific notation of the given subtraction problem is:
6.94 × 10^3 mm - 4.5 × 10^2 mm = _____.
The correct number of significant digits is
a. 6.94 × 10^3 mm = 3
b. 4.5 × 10^2 mm = 2
So subtracting the 6.94 × 10^3 mm - 4.5 × 10^2 mm
= 6940 - 450
= 6.49× 10^3 mm.
Non metal because if the wire was unknowingly live, it could shock him and the current would travel through metal gloves.