Even though you forgot to provide your question with some options I have some ideas how to sort it out. So, if smart car is involved in a head on collision with an suv it means that this situation is an example of Newton's third law, when both forces are equal. I'm sure it will help you it some measure, but next time check it more careful.
Answer:
The answer is A
Explanation:
The Encyclopedia Britannica is a trusted website filled with factual information and an objective point of view. The blog is not a trustworthy choice because it does not have facts to back it up and it is one person's experience
Although i cant see the cartoon, you can easily eliminate b and c, the most likely answer is a.
Answer:
cross-sectional
Explanation:
Based on the information provided within the question it can be said that the type of observational study that is being described is a cross-sectional study. This is a type of study in which information is collected at a specific point in time. Since the 1000 adults were selected and interviewed in the same time period then it can be said that this study is a cross-sectional study.