Ads Figure 4.5
1. What is the boy in the figure 4.5. doing?
2. Is it good to throw waste in water?
3. Is this water safe to drink? Why?
4. What are other ways by which water gets contaminated?
5. How can we make the water safe for drinking?​

Doctors recommend that both men and women take an aspirin every day to prevent heart attacks. however, the sample in the research study only contained men. the problem with doctors making this aspirin recommendation reflects a bias.

Which of the following guidelines should be followed if you have a large spill that is dangerous or beyond your ability to clean up? a) call emergency authorities b) try to keep it quiet so nobody panics c) if the material is flammable, get several buckets of water to dilute it with d) wipe up as much as you can with appropriate rags

The patriot act made it easier for law enforcement agencies to conduct surveillance under certain circumstances true or false