Which of the following methods of improving air quality does not require advanced technology?
a. exhaust scrubbing
b. conservation
c. using renewable energy sources
d. driving fuel-efficient cars

Orion the hunter is known for two navigational stars. which pair of stars are they?

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.