Which of the Following Changes Would Help a Molecular Cloud

question 16

Multiple Choice

Which of the following changes would help a molecular cloud to resist gravitational collapse longer?

• A) increasing the cloud's average velocity relative to the center of the Milky Way.
• B) decreasing the cloud's temperature
• C) decreasing the fraction of metals in the cloud
• D) changing the cloud's composition

Learn about the dynamics of renewable resources and their sustainable management.

Comprehend the effects of market forces and external factors on the optimal extraction levels of resources.

Evaluate the role of property rights in resource conservation and the management of wildlife populations.

Understand the implications of changing extraction costs on resource extraction.

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Definitions:

Plant Roots

The part of a plant that typically lies below the surface of the soil and is responsible for water and nutrient absorption.

Poplar Trees

Fast-growing trees of the genus Populus, characteristically having lightweight wood and catkin flowers.

TCE

Trichloroethylene, a volatile organic compound used mainly as an industrial solvent and in the manufacture of other chemicals, but is known to be a human carcinogen.

Sclerenchyma Fibers

Thick-walled, durable cells that provide support and strength to plant tissues, playing a key role in the structural integrity of plants.