B. Soil Contamination
All the other answers are talking about clean and pure things while this answer is the only negative one. So B is your answer.
<span>After the third month of development, lanugo develops on the head (thin, first hair), the muscles and bones are formed an shaped, the mouth movement is possible, the liver and pancreas produce fluid secretions, meconium is made (stool of infant), reproductive organs are developed, but the baby's gender is difficult to distinguish on ultrasound.</span>
Cell membrane
Cytoplasm
ER
Nucleus
Ribosomes
Golgi body
Lysosomes
Mitochondria
Vacuoles
<u>4NH3 + 5O2 → 4NO + 6H2O</u> is the correct balanced equation in the given chemical equation options.
What do you mean by Chemical equations?
A chemical equation is a written representation of the chemical reaction taking place between two or more substances. It can be written in words or symbols, and typically consists of the reactants (on the left side) and the products (on the right side). The arrow between them indicates the direction of the reaction.
The above equation is balanced because it has the same number of atoms of each element on both sides of the equation. The equation is balanced because it has 4 atoms of nitrogen (N) on the left side and 4 atoms of nitrogen on the right side. It has 5 atoms of oxygen (O) on the left side and 6 atoms of oxygen on the right side. It also has 3 atoms of hydrogen (H) on the left side and 12 atoms of hydrogen on the right side.
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Answer:
carbon, hydrogen, oxygen, nitrogen, and phosphorous
Explanation:
The phosphate groups allow the nucleotides to link together, creating the sugar-phosphate backbone of the nucleic acid while the nitrogenous bases provide the letters of the genetic alphabet. These components of nucleic acids are constructed from five elements.
