Reflect and Respond Thinking of your own energy use, list some ways you use energy every day. Are there ways you could reduce your energy use?

A sample answer can include the following:

Use:

Cooking
Driving a car
Using a cell phone
Watching television
Using a computer
Powering indoor lights/lamps
Powering indoor heat/air conditioning
Washing and drying clothes
Ways to reduce:

Adjusting heat/AC levels when house will be empty
Driving car less, biking or walking more
Turning off lights and appliances when finished
Hanging clothes outside to dry

Pixels are often referred to using dpi, or dots per inch. true\false

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .