The second one, I could be mistaken though
Answer:
concave lens
Explanation:
it's concave lens because it diverges the ray/beam of light.
Reduction involves the either the addition of hydrogen and removal of oxygen.
<h3>What is reduction?</h3>
Reduction involves the removal of oxygen.
This implies there is a loss of oxygen in reduction.
This can be represented in the extraction of iron from it ores.
Fe₂O₃ + 3CO → 2Fe + 3CO₂
Reduction is also the addition of hydrogen. This implies it is the gain of hydrogen.
For example
CH₃CHO → CH₃CH₂OH
learn more on reduction here: brainly.com/question/9485345
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Answer:
C
Explanation:
it breaks down a simple sugar into a type of energy their cells can use
Answer:
Solids cant react to each other because they are the same room temperature
