complex sentence as it has a main and subordinate clause
<span>broke his arm badly at the elbow</span>
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.
The black hole of endless, unimportant streams of technology-enabled information is devouring everyone living in the 21st century. ... No one stops to process information anymore to determine its significance or importance. No one appreciates the value of personal interaction or nature. Everything is go, go, go.