Explanation:
My friend has a bag.
Here, my friend is a singular subject so it will take has.
Answer:
gives the background and purpose of an experiment.
Explanation:
Science can be defined as a branch of intellectual and practical study which systematically observe a body of fact in relation to the structure and behavior of non-living and living organisms (animals, plants and humans) in the natural world through experiments.
The introduction in a science text gives the background and purpose of an experiment.
What is the question to this?
a i would say because its like the point of the story
