Which of the following is an example of cooperative behavior

a. a lion hunting zebra

b. two male peacocks fighting over a female peacock

c. a hyena stealing a a cheetahs kill

d. a blue jay calling to signal the presence of a hawk

What are the two types of moving electrical charges?

List and explain the five general properties of acids

If the wavelength of a wave stays the same, what happens when the wave period increases? a. increase in wave speed c. decrease in wave speed b. increase in wave height d. decrease in wave height

If a solution process is exothermic, how does the energy required for dissolving the solute compare with the energy released? The energy required is equal to the energy released. The energy required is more than the energy released.

Which best describes the relationship between solute, solvent and solution? 1. A solution and solute combine to form a solvent 2. A solute is dissolved in a solvent to form a solution 3. A solvent is dissolved in a solute to form a solution 4.

Which statement correctly describes why a compound is a pure substance? O A compound is not a pure substance because each of its molecules is m elements A compound is a pure substance because its molecule cannot be broken O A compound is not a pure

What negative impact did chemistry have on society through the production and use of chlorofluorocarbons?

A food web shows the easiest way to get the most energy out of a producer the path a producer has to take to reach the top of the web how all organisms are connected through energy all of the possible energy pathways through an ecosystem

What phase change is endothermic

A Gran plot for a potentiometric titration resulted in a slope of 5.56 x 105. Measurements were made using SCE as the reference electrode and the analyte Eo was determined to be 0.354 V.