Answer:
The idea of using recycle tires at playgrounds is a concern for some scientists because they contain carcinogenic substances.
Explanation:
Recycle tires are in playgrounds as rubber mulch. This one is on the playground's floor to cushion the impact of any falls that kids may have while playing. The problem with this product is that, as they are old tires cut into little pieces, they still have the tires' toxins such as arsenic, benzene, cadmium, mercury, etc. Exposure to these toxins can cause cancer. This is why some scientists are concerned with this material in areas where kids are exposed to it since they are more vulnerable to carcinogens than adults.
Fungis or drugs it can be caused by desgust
Answer: Option A) nucleus
Explanation:
Prokaryotic cells lack nuclear envelope, thus the nucleus is absent in Prokaryotic cells.
On the other hand, eukaryotic cells possess membrane bound nucleus and nuclear envelope.
Thus, nucleus is the answer
The correct answer is <u><em>Tuberculosis</em></u>, a bacterial infection caused by Koch's bacillus(Mycobacterium tuberculosis)
Answer:
Example of the Scientific Method
1. Observation: My toaster doesn't work.
2. Question: Is something wrong with my electrical outlet?
3. Hypothesis: If something is wrong with the outlet, my coffeemaker also won't work when plugged into it.
4. Experiment: I plug my coffeemaker into the outlet.
5. Result: My coffeemaker works!
