Answer:
The correct answer is gas
Explanation:
They can also be called carbon emissions, CO2 emissions, or greenhouse gas emissions. Contaminating smoke from factories is made up mostly from burning fuels residues, and it includes solid particles and gases like the carbon dioxide, methane and nitrous oxide. These chemicals pollute the air and bring terrible consequences to health, especially respiratory disorders and diseases like cancer and brain strokes.
Answer:
You should stay very far away from the truck as you can and allow the truck driver to complete whatever maneuver they intend to do. You should understand that in the process of maneuvering the truck driver may block the entire road or most of the road, and he may be unaware that there is a car behind him in some cases.
Explanation:
Answer:
This question lacks options, options are:
a.Experimental
b. Observational
c. Survey
d. Simulation.
The correct answer is c.
Explanation:
A survey is a research technique in which a series of data is collected through a questionnaire, which is applied to a representative sample of a certain population. The surveys are intended to provide information that allows interpreting a certain situation or social reality, focusing on qualitative and quantitative aspects on a topic. Surveys collect data on a myriad of issues of interest to society, which is why they could be instruments of great social, political and demographic relevance.