Which Direction Do a Comet's Dust and Plasma Tails Point

question 71

Multiple Choice

Which direction do a comet's dust and plasma tails point?

• A) Generally away from the Sun
• B) Straight behind the comet in its orbit
• C) Perpendicular to the ecliptic plane
• D) Always almost due north

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Definitions:

Cardiovascular Diseases

A group of disorders related to the heart and blood vessels, such as coronary artery disease, hypertension, and stroke.

Pulmonary Diseases

A general term for diseases affecting the lungs and respiratory system, such as asthma, chronic obstructive pulmonary disease (COPD), and pulmonary fibrosis.

Smoking

The act of inhaling and exhaling the smoke of tobacco or a drug.

Calories

Units of energy that measure the amount of energy food provides to the body.