Answer:
The description corresponds to an observational study.
Explanation:
In Observational studies, researchers observe the effect of a risk factor without changing what is exposed to it or its conditions. On the other hand, in an experimental study, researchers can introduce a change and study the effects of it.
I'm not sure but it can be a force that pulls objects with mass towards it.
Answer: Make your research, communicate well, understand policy processes and be relatable
Explanation:
The persuasive piece here would depend on what is affecting you or those in your school. Since you listed known, I would guide you on how to go about writing one. Here are the following things to look out for when writing a persuasive piece;
- Make your research; this involves finding our what really affects you or your school, and why you want to carry out a policy change on it
- Communication; this is vital, let your research or topic be what people can relate to, it should not be only what affects only you but what affects a group of persons, let them be relatable and readable
- Understand policy process; for you to effect a change, you have to understand how the process is being carried out.
- Finally, you have to be accessible, make yourself easy to relate with when negotiating with policy changers, be void of pride.
Answer: A) depends on the rods
Explanation:
Rods are the components that helps in providing vision in dim or low amount of light.Rods provides the ability to see objects around us at night but does not provide facility of color vision because of light sensitivity.
According to the question,Jane is able to see things due to the peripheral vision provided by the rods in night time but isn't able to identify the colors.
Other options are incorrect because cones, pupil and retina are not the factors that provide low-light vision to people.Thus, the correct option is option(A).
