Explanation:
everything can be found in the picture
Answer:
c. Observational studies have both independent and dependent variables.
d. Observational studies can be used to test hypothesis.
Explanation:
Observational studies are ones in which a researcher makes observations about his thoughts and views. He observes the risk and other effects before actual test takes place. This is usually the initial phase of research where observations are made for suitability of certain things that are to be researched. There is initial feasibility test conducted to identify whether the further research process is beneficial or not.
Yea i think its 3 too because in science i never heard them talk about Ancient Greece
Answer:
Explanation:
An early years practitioner works closely with babies, toddlers or preschoolers, looking after their day-to-day needs like changing and feeding, and also organising age-appropriate activities to stimulate their physical, educational and emotional development.
<span>A large and densely populated urban area</span>
