How many chromosomes are in an organism with 42 pairs of chromosomes?

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Changing a river into a lake is basically what a large dam does. One reason we do this to create reservoirs of fresh water.

Cell membranes are made up of a phospholipid bilayer. Which part of the phospholipid bilayer interacts with water, and which part does not interact with water?

4 ft and 7 inches girl and 5 ft and 8 inches how tall thier child will be

The diagram below shows an undisturbed rock. Which layer is likely to have the remains of an organism most similar to the organism's present-day form? Layer A Layer B Layer C Layer D

Jessi consumes a diet of 1920 total kcalories that has 80 g of fat. what percent of jessi's diet comes from fat? (give answer to the appropriate reporting digit. only give the value. do not include the term percent or its abbreviation.)

Scientists break down evolution into catogories

The process of sediments being compacted and cemented to form sedimentary rocks is called A. metamorphism. B. deposition C. crystallization D. lithification

What is presumptive identification of a microorganism?

Which statement best describes the climate of a city? Select one: The average annual temperature of Austin, TX is 68.5°E San Antonio, Texas had a high temperature of 102°F today. Dallas, Texas had 8.6 centimeters of rain today.