I think that you can say D.
Hope that this helps you =)
Answer:
Using a control group means that any change in the dependent variable can be attributed to the independent variable.
Explanation:
Whoch birds are migrating is my answer because, for a the birds are migrating because its winter for c birds are already going since one of the questions are where the birds are going, and d is that they are going there to not freeze, the only logical choice FOR ME is B
The poor distribution of services and inadequate infrastructure is basically inadequate and almost unreachable for the poor people in South Africa.
In a lot of areas dominated by poor and marginalized people, electricity is almost inadequate. This is a major infrastructure that should be equitably distributed between all classes in the country.
Health and medical infrastructure are limited. The people have no access to what is available due to the high costs and the unavailability of financial resources. Due to the nature of these people, they should have the best form of medical attention.
There is also a lack of technological skills in the country. This affects the poor and marginalized, especially the subsistence farmers who needs these to improve their farming.
Read more on brainly.com/question/24620735?referrer=searchResults
