Most Hot Springs That Are Just a Little Warmer Than

question 56

Multiple Choice

Most hot springs that are just a little warmer than mean annual temperature (6°-9°C) acquire their heat ________.

• A)because most of the recharge from rainfall is in the warmer summer months
• B)because most of the groundwater is millions of years old from when the Earth's climate was warmer
• C)by deep circulation through progressively warmer rocks at depth (~2°C per 100 metres)
• D)because there are young intrusions everywhere at depth, always warming up the crust

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Definitions:

Diploid Chromosome Number

The total number of chromosomes in a diploid cell, which includes two sets of chromosomes, one from each parent.

Gamete

A mature haploid male or female germ cell which is able to unite with another of the opposite sex in sexual reproduction to form a zygote.

Sister Chromatids

Identical copies of a chromosome that are connected by a centromere and separated during cell division.

Nuclear Envelope

The double membrane structure that encloses the nucleus of a cell, separating its contents from the cytoplasm.