Answer:
The right answer is B.
*Hydrogen is the most abundant element representing nearly three quarters of the mass of the universe.
*Hydrogen is found in the water that covers 70% of the surface of our planet as well as in all organic matter.
*Hydrogen is the simplest element in the universe. It is composed only of one proton (p) and only one electron (e-).
*Hydrogen is the lightest element of all elements and gases; it is 14 times lighter than air. A "spill" of hydrogen gas immediately diffuses into the air and pollutes neither the ground nor the water table.
*Hydrogen is invisible, odorless and nontoxic. It does not cause acid rain, does not deplete the ozone layer and does not generate dangerous emissions.
Answer:
A
Explanation:
He eventually assumed absolute power over Rome.
Answer:
Real flowers. I think real ones are more heartfelt and genuine.
Happy learning!
--Applepi101
Answer:It is an effortless way to connect with the like-minded people. You are just a single click away from an incredible number of such people. Regardless of location and religion, social networks are helpful in reviving and preserving relationships with other people.it has become easier for us to connect with business people, family and friends. Even, many top most companies directly approach candidates through social networking sites like LinkedIn. We can also interact with people of authority who might help us in our careers.Social media skills have long-since stopped being considered niche. Instead, it affects the way whole organizations run and grow. It has become the primary means of getting the word out about your business.It has become very easy to get knowledge from renowned experts and professionals through the social media. You can easily follow anyone to boost your knowledge. Regardless of your educational background, you can learn various skills without paying for them.
Explanation:
Include concrete details about what you liked
