The 21-Cm Line Is One of the Most Important Wavelengths

question 99

Multiple Choice

The 21-cm line is one of the most important wavelengths in radio astronomy. The fact that it is a relatively long wavelength is important because long wavelengths

• A) are more likely to interact with clouds of gas and dust.
• B) are more likely to pass through clouds of gas and dust.
• C) carry more energy than short wavelengths of the same energy.
• D) can be detected with greater resolution than can short wavelengths.

Understand the role of fossils in determining ancestral and derived traits.

Recognize the concept of convergent evolution and its outcomes.

Define and differentiate between homoplasy, synapomorphy, and homology.

Apply the principle of parsimony in phylogenetic analysis.

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Definitions:

ERP

Stands for Enterprise Resource Planning, a type of software that organizations use to manage day-to-day business activities such as accounting, procurement, project management, and manufacturing.

MRP

Material Requirements Planning, a computer-based inventory management system designed to assist production planning and inventory control.

TPS

A kind of information system, the Transaction Processing System, focuses on the accumulation, storage, modification, and retrieval of transactional data from an organization.

Data Volumes

Refers to the size or amount of data, often measured in bytes, generated, processed, or stored by a system or application.