Answer:
There needs to be a 2 in front of O2.
Explanation:
That would make 4 oxygen atoms and would balance the number of atoms and mass on each side. And, in a balanced chemical equation, mass and atoms are always conserved.
Answer:
How does the energy of light vary with frequency?
Just as wavelength and frequency are related to light, they are also related to energy. The shorter the wavelengths and higher the frequency corresponds with greater energy. So the longer the wavelengths and lower the frequency results in lower energy.
Explanation:
Answer:
B
Explanation:
B uses correct punctuation of quotes.
Use reusable grocery bags, and not just for groceries.
The given section of DNA is known as a gene.
Explanation:
The basic physical as well as fundamental unit of heredity is known as gene. Genes are built with DNA. According to Human Genome Project human have estimated between 20000 to 25000 genes. In Every person two copies of each gene are present which is carried from parent.
In most of the genes are common almost every people but less than 1% of genes are different between people. The role of gene is to determine the trait- how we look and also other stuff about us.
