Answer:
<em>A line graph</em>
Explanation:
A line graph would be the best type of graph to show changes over time. A line graph constitutes of a y-axis and an X- axis. The presence of the axis will make is easier to look at the height changes which occur over time. The y-axis of such a graph could show the height, the X axis of such a graph could show the time. Hence, a line graph could be the best one to represent such a change.
1)Conserve energy - at home, at work, everywhere.
2)Look for the ENERGY STAR label when buying home or office equipment.
3)Carpool, use public transportation, bike, or walk whenever possible.
4)Follow gasoline refueling instructions for efficient vapor recovery, being careful not to spill fuel and always tightening your gas cap securely.
5)Consider purchasing portable gasoline containers labeled “spill-proof,” where available.
6)Keep car, boat, and other engines properly tuned.
7)Be sure your tires are properly inflated.
8)Use environmentally safe paints and cleaning products whenever possible.
9)Mulch or compost leaves and yard waste.
10)Consider using gas logs instead of wood.
Answer:
option a. streak, pour
Explanation:
The best method to isolate single bacterial colonies is the "streak-plating" method.
The "streak-plate" procedure is used to isolate pure cultures of bacteria or also colonies, from mixed populations by mechanical separation. Millions of cells form a colony, they grow in a cluster on an agar plate. With this method, a mixture of cells is spread over the surface of a agar-based nutrient in a petri dish, that makes that less bacterial cells are deposited at widely separated point on the surface and, after incubation, they develop into colonies.
On the other hand, the best method to count colonies is the pour plate method. It helps to enumerate bacterial cells in a mixed sample, often used to count the number of microorganisms in those samples, which are added to a molten agar medium before its solidification occur. The result is colonies uniformly distributed throughout the solid medium when the appropriate sample dilution is plated.
Answer:
experiment
Explanation:
When you are controlling the conditions it is called an experiment.
This jet stream—the one that forms at the polar front—affects weather in the United States. ... This shift occurs because the entire hemisphere is cooler, so the boundary between the cold polar air and the warm southern air shifts south. As a result, the jet stream shifts toward the south in winter.
