3. the first one.
4. I would say the third one
Answer:
It is crucial that you use credible primary and secondary sources to ensure the validity of your academic research, but knowing which ones are credible can be difficult!
Luckily, there are some tricks for helping you figure out if a source is credible, which we have outlined in our guide to evaluating sources using the CRAAP test.
If you are not sure where to begin, we have collected a list of credible sources to help point you in the right direction.
Answer:
Do you have options or a context
Explanation:
The cardiovascular system is basically the blood transportation system for the body. The cardiovascular system is composed of the heart, the blood vessels which include the arteries, the capillaries, and the veins. The main job of the cardiovascular system is to pump blood all throughout the body.
