a. Hydrogen
Hydrogen has a line at 410 nm.
Mercury has a line at 405 nm.
Sodium and neon have no lines near 412 nm.
Answer:
A
Explanation:
Would you base your career options using science?
Would you base your moral behavior on science? Science is notorious for not being able to answer moral questions.
Would you base the "meaning of life" on science? The meaning of life is hardly a question that the periodic table could answer.
The only option left is plant growth which science could answer.
Answer:
hi I'm sorry I can't I just need points
Concave is not a type of mechanical wave because it doesn’t need a medium for propagation.
My guess would be "B) they were produced by volcanoes" because hawaii has a bunch of volcanoes and volcanoes can produce extra land. While the other answers wouldn't make sense. Definitely B.
