A.
The time it takes the airplane to move between two points
metamorphic rock can change into igneous or sedimentary rock.
Answer:
1 L
Explanation:
ppm means parts per million. Generally the relationship between mass and litre is given as;
1 ppm = 1 mg/L
This means that 1 ppm is equivalent to 1 mg of a substance dissolved in 1 L of water.
Answer:
D. Action, Reaction
Explanation:
Newton's third law states that for every action, there is an equal and opposite reaction.
Point to be noted:
The action and reaction pair act on different bodies and not on the same body.
Example:
When you jump up from the ground, your legs apply an action force on the ground and the ground applies equal and opposite reaction force on you and hence you propel up from the ground.
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