<span>an oceanic plate collides with a continental plate</span>
Answer:
cross-sectional
Explanation:
Based on the information provided within the question it can be said that the type of observational study that is being described is a cross-sectional study. This is a type of study in which information is collected at a specific point in time. Since the 1000 adults were selected and interviewed in the same time period then it can be said that this study is a cross-sectional study.
The factors would probably being women who gave birth and women who took care of the house hold
"The Salerno invasion would not have occurred"
It was in any case centered around agricultural needs, as this is what most people in the rural areas focus on. However, many combine small-scale husbandry with agriculture, so a) and c) are correct. And if you count things like Coal for heating, then resources are also very important.
Therefore I would choose the answer d)
