Answer:
2)
Explanation:
The positive control is the treatment where bacteria grew without lead. Since positive control indicates the presence of bacteria in the experimental conditions, it is possible to confirm that they only death in presence of this metal. However, it is important to note that it is imperative to repeat this experiment three times and also to include a negative control in order to confirm these results.
Answer:
Car pollutants cause immediate and long-term effects on the environment.
Explanation:
Car exhausts emit a wide range of gases and solid matter, causing global warming, acid rain, and harming the environment and the health of living organisms, like humans.
Long-term exposure to polluted air can have permanent health effects such as:
- Accelerated aging of the lungs.
- Loss of lung capacity and decreased lung function.
- Development of diseases such as asthma, bronchitis, emphysema, and possibly cancer.
Hope it helps answer the question:)
During asexual reproduction
Answer:
D) or A) dont know
Explanation:
Because in 2006 it was no longer considered a planet because it did not meet it did not meet the three criteria the IAU uses to define a full-sized planet.
I hoped this helped you out! in figuring out the answer :)
The answer is A.,.....................
