By Age 2, the Average Child in Canada Weighs Around

question 51

Short Answer

By age 2, the average child in Canada weighs around _______ kilograms, and is close to ________ centimetres tall.
A)10–14; 90
B)10–14; 70
C)15–20; 90
D)15–20; 70

• A)10–14; 90
• B)10–14; 70
• C)15–20; 90
• D)15–20; 70

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Definitions:

Lens-cleaning Solution

A specially formulated liquid used for cleaning and disinfecting optical lenses, including those in eyeglasses and cameras.

Brownian Movement

The random motion of particles suspended in a fluid, resulting from their collision with the quick atoms or molecules in the gas or liquid.

Molecules

The smallest particle of a chemical element or compound that can exist independently while retaining all the properties of that element or compound.

Oil-immersion Lens

A microscope lens used with a drop of oil to increase the resolution and magnification by decreasing light refraction.