You are presented with the question "What can be fatal?" and the following answer choices: - Electric devices - smoking cigarettes - smoking - magic - Good will - laughter - Some viruses - Pesticides Now knowing that some viruses can cause cancer and some cancers are fatal, choose the best answer.
Some viruses
(Question)
You are presented with the question "what have a negative impact on the environment" and the following answer choices: - harmful substances - groundwater contamination - harvesting - fish - major threat to health - Sulfur dioxide - storms - Greenhouse gases Now knowing that landfills have a negative impact on the environment and landfill leachates and groundwater contamination, choose the best answer.
(Answer)
groundwater contamination
Ques: You are presented with the question "Heating a liquid can cause what?" and the following answer choices: - direct damage to the lungs - gas bubbles to burst - Something to move - It expands - The bending of a ray of light - chemical reaction - enormous damage to homes - matter vibrating Now knowing that heating a liquid can be used to identify that liquid 's boiling point and lots of gas bubbles burst over the boiling lakes' surface, choose the best answer.
Ans: gas bubbles to burst
(Q).
You are presented with the question "what is also used to remove harmful substances from water before drinking" and the following answer choices: - electricity - pressure - air - bacteria - a pathogens - toxins - Chlorine - Cooking Now knowing that treating water is used to remove harmful substances before drinking and chlorine is also used to treat water, choose the best answer.
(A).
Chlorine
Ques:You are presented with the question "What is not a cell?" and the following answer choices: - all matter - layers of fat - illness - bacteria - influenza - Leptospirosis - an object - hydrocarbons Now knowing that viruses are not cells and influenza viruses mutate, choose the best answer.

Ans:influenza
Ques:You are presented with the question "Fair weather causes what?" and the following answer choices: - flow of electrons - Cloudy weather. - lowered energy cost - sweating - Rainy weather. - Animal survival - Clear weather. - Stormy skies. Now knowing that high pressure systems cause clear weather and high Pressure areas usually produce fair weather, choose the best answer.

Ans:
Clear weather.