It is the source of the nation's petroleum deposits. I hope that helps!
<span> they're much more technologically advanced and have a much more stable economy</span>
If multiple answers are allowed, the answers would be:
A. Many people are now immunized.
B. More is known about the importance of sanitation and hygiene.
And C. Vaccines have been developed.
Hope this helps!
Answer: physical and chemical barriers
Explanation:
physical and chemical barriers try to prevent pathogens from getting inside the body
Question- How are flowers in cones similar?
Answer- Plant cells have much in common with animal cells, but they have some different structures. Plants are divided into two big groups, based on how they reproduce: Plants that produce seeds (flowering plants and cone plants). Plants that produce spores (ferns, mosses, liverworts and green algae).