Consider a Meteoroid with a Diameter of 10 Cm and a Mass

question 64

Multiple Choice

Consider a meteoroid with a diameter of 10 cm and a mass of 2 kg that hits the Earth head-on while traveling at a speed of 25,000 m/s.How many times larger or smaller is the meteoroid's kinetic energy compared to that of a typical train whose mass is 2 × 10⁶ kg and speed is 25 m/s?

• A)The meteoroid's kinetic energy is equal to that of the train.
• B)The meteoroid's kinetic energy is 1,000 times less than that of the train.
• C)The meteoroid's kinetic energy is 1,000 times greater than that of the train.
• D)The meteoroid's kinetic energy is 10⁶ times greater than that of the train.
• E)The meteoroid's kinetic energy is 10⁹ times greater than that of the train.

Identify the roles and responsibilities of the Environmental Protection Agency (EPA) in environmental regulations.

Recognize the financial mechanisms and responsibilities for environmental cleanup and pollution control.

Comprehend the regulatory framework for air pollution control and the standards for vehicle emissions.

Understand the legal requirements and acts related to water pollution and the protection of water bodies.

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Definitions:

Natural Selection

The process by which organisms with traits better suited to their environment are more likely to survive and reproduce, gradually influencing the characteristics of their species.

Allele Frequency

The proportion of all copies of a gene in a population that are of a given allele variant.

Dominant Allele

An allele that is always expressed when it is present, regardless of whether it is homozygous or heterozygous. Compare with recessive allele.

Aa Genotypes

A term referring to individuals with a heterozygous genotype, possessing two different alleles (A and a) at a single genetic locus.