Calculate the Volume of Earth Assuming It Is Spherical and Has

question 41

Multiple Choice

Calculate the volume of Earth assuming it is spherical and has a radius (r) of 6370 km.The volume of a sphere equals 4πr3/3,and π = 3.14.

• A)2.58 x 1011 km3
• B)3.45 x 1011 km3
• C)6.37 x 1011 km3
• D)1.03 x 1012 km3
• E)1.08 x 1012 km3

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Definitions:

Lancet

A small, disposable instrument with a sharp point used to puncture the skin and make a shallow incision; used for capillary puncture.

Retracting needle

A safety syringe design where the needle retracts into the barrel post-injection to prevent needle-stick injuries.

Butterfly needle

A small, winged needle used for accessing veins for blood draws or infusions, minimizing discomfort and tissue damage.

Blood chemistries

Tests performed on a blood sample to measure the levels of certain substances in the blood, providing information about organ function and detecting diseases.