10. What can contaminate a river as a result of dredging?

a. potash

C. placer deposits

b. seawater

d. muddy sediments

Are mushrooms alive? - Is it living or non living? Why?

DNA polymerase can only move in what direction? A. 3' to 5' B 5' to 3'

Genetic engineering is used in the biotechnology industry to? (1) eliminate all infections in livestock (2) synthesize hormones such as insulin and human growth hormone (3) increase the frequency of fertilization (4) eliminate sexual reproduction

How do golgi apparatus and vacuoles work together?

Which of the following is a function of a vacuole

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.