Water because it is essential to human life.
X-rays were discovered by accident (by Wilhelm Rontgen).
mutations were found in whale hox genes that explain how the whale flipper shape evolved ( a p e x )
Answer:
The actual reaction to make water is a bit more complicated: 2H2 + O2 = 2H2O + Energy. In English, the equation says: To produce two molecules of water (H2O), two molecules of diatomic hydrogen (H2) must be combined with one molecule of diatomic oxygen (O2). Energy will be released in the process.
Explanation:
Answer:
The answer is option A.
They belong to the same group of the periodic table.
Hope this helps