Answer:
H2 is Molecular hydrogen. It is a molecule of hydrogen that consists of two hydrogen atoms bonded together by one single bond (also known as a sigma bond). A subscript also denotes how many of a particular atom is in a molecule, thus H2 has two hydrogens. 2H, on the other hand, denotes two moles of elemental hydrogen.
Answer: by explaining how it took many people to coordinate the first successful flight
Explanation:
As much as history mostly remembers only the Wright brothers for this first flight, this passage shows that teamwork was necessary for the impossibility of flight to become possible as it showed how it took different people to coordinate that first flight.
From the men who worked at the Life-Saving station to the men who placed tracks on the ground to the men who kept time. They worked as a team and were all needed for the first successful flight.
Personally , I think A is the best. It has facts (less expensive, close) and it doesn’t have too much opinion. Rather than “everybody likes animals” or “my favorite animals live in the reptile house” it shows that it’s practical and fun!
I think the answer is a fabel
The answer is B. Racial prejudice had negative psychological effects on those who suffered its injustices.