Which Type of Nebulaeare Twisted and Distorted Clouds of Gas

question 33

Multiple Choice

Which type of nebulaeare twisted and distorted clouds of gas and dust dense enough to obstruct the view of the more distant stars?

• A) emission nebulae
• B) H I
• C) reflection nebulae
• D) dark nebulae
• E) spectral type B6

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Definitions:

Transitional Epithelium

A type of epithelial tissue that can stretch and contract, found lining organs that need to accommodate fluctuating volumes of fluid, such as the bladder.

Neuroectoderm

The embryonic portion that develops into the nervous system and skin.

Mesoderm

In the early development phase of an embryo, the central layer that is the precursor to the formation of the muscular system, skeletal structure, and circulatory network.

Endoderm

The deepest layer of tissue or cells in an embryo during its initial stages of development, responsible for forming the digestive and respiratory system linings.