Describe at least two of the four major systems we looked at in class: Ice, Water, Land, Atmosphere and provide a specific example of how these systems are connected to one another

Identify the advantages and disadvantages or renewable and nonrenewable energy resources

Which events are likely to be catastrophic to an ecosystem? select the three correct answers.a-hurricane.b-steady population growth.c-seasonal flooding.d-introducing of an aggressive invasive species.e-tsunami.

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.