The sugar basically “feeds” the rose.
I found the exercise on the internet. Attached is the diagram of the observed results.
<span>Correct answer: "B. Disinfectant 1"
As shown in the diagram, the whole dish was plenty of E. coli. The only areas that did not have bacterial growth were those around the disks soaked in disinfectant 1 and disinfectant 3. However, the diameter of the area around the disk soaked in disinfectant 1 was the largest, meaning that this disinfectant had the most effective power at controlling the growth of E. coli.</span>
Answer:
Explanation:
reduce household energy use through use of energy efficient appliances and heating and air conditioning systems;
increase investments in renewable energy sources such as solar and wind power systems;
During longer space exploration trips, all of the medical concerns are due to the absence of gravitational force. Crewmembers may develop short-term conditions which are reversible. Those conditions include: vision impairment risks and short-term cardiac atrophy, increase in length, weight loss, vestibular dysfunction etc.
On the other side, the long-term medical condition is loss of bone mineral density (negative calcium balance) and radiation exposure which are irreversible.
Answer:
The most prevalent environmental threat to human populations caused by landfills is the contamination of surface and ground water. so, most modern landfills in the u.s. are designed to protect against hazardous chemicals escaping into the surrounding soil.