Because to demolish you need less labor, just a simple machine meanwhile to build something you need to take time to plan it out, design, etc.
Answer:
Birds have remarkably specialized bones that are pneumatic, because they are full of air sacs that provide a continuous flow of breath throughout their bodies. In short, their lungs are essentially hooked up to their bones.
Answer:
lead pencils (graphite)
fertilizer (potassium, sodium, calcium)
chalk (gypsum)
flashbulb (zirconium)
window glass/mirrors (silica)
table salt (halite)
Explanation:
C. smog
is the correct choice plug
A Forest Pathologist is the scientist who studies the living and non living organisms that affect the ecosystems.
