What is by far the leading cause of water pollution? select one:

a. ocean-going shipping

b. agriculture activities

c. mining

d. sewage treatment plants

e. factories next?

What is the definition of top-level consumer

What is the strong fibrous tissue outer periphery of the intervertebral disk called?

A tool used in classification is

What products of cellular respiration are expelled as wastes by the yeast?

A maritime polar air mass is a cold air mass that forms over which two oceans? a. Atlantic and Indian Oceans b. Pacific and Atlantic Oceans c. Pacific and Indian Oceans d. Arctic and Indian Oceans

Which of the following has a strong, positive inotropic effect, meaning it increases the strength of each contraction of the heart?

Acid precipitation is an agent of what kind of weathering?

When do scientists consider a hypothesis valid? A. when the hypothesis is testable B. when the hypothesis is published in a scientific journal C. when more than one person supports the hypothesis D. when experimentation shows it to be true

In cherry trees, white flowers are dominant over pink flowers. cross a homozygous dominant tree with a purebred recessive tree. what is the phenotypic ratio of the offspring? a. 4 ww b. 4 white selected: c. 4 ww d. 4 pink

What happens to Earth when it is farthest from the sun? A) It moves fastest, B) It stops rotating, C) It moves slowest. D) It stops revolving