Answer:
Hydrogen could become a future energy source as it can be used to create steam, electricity and other forms of energy. Hydrogen is also considered a clean form of energy, as its only product is water, which is harmless.
Explanation:
I need to see the following.
Answer:
Affinity
Explanation:
If you want an audience that aligns with your product, you must choose the affinity method. This method picks up preferences of people through online browsing and then segregates people with similar interests and makes sure they are presented with content they might be interested in.
For example google uses this same strategy to find out peoples interests and then showing them what they want to see.
Answer:
multiply 28 and 500 on a caculater
Explanation:
that is all you need :) hope it helps.