Solar system
Planets orbit around the Sun.
Answer: Because Isabel, where she lives, is salt water which contains salt.
Explanation:
A because it is used to treat known diseases.
Answer:
You can use a refractometer to measure sugar content in upripe and ripe bananas and evaluate how important the formation of sugars is in the ripening process. If other unripe fruits are available, expand this study to include these other fruits
