Answer:
Defenitely b, fossils, I don't think any of the others are right, But I could be wrong.
in our lungs
and throughout our blood stream
Answer:
This is false.
Explanation:
Stars are made of very hot gas. This gas is mostly hydrogen and helium, which are the two lightest elements. ... Most stars have small amounts of heavier elements like carbon, nitrogen, oxygen and iron, which were created by stars that existed before them.
Flowers and pollinating insects are examples of <span>coevolution. </span>
I think the correct answer from the choices listed above is option A. Scientific advancements helped reduce the impact of hazardous events on society by having <span>led to the ability to detect some hazardous events before they occur, allowing society to plan for them, mitigating their damage. Hope this answers the question.</span>