Answer:
DNA is made up of four building blocks called nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C).
How many moles of ammonia are produced when 6 moles of hydrogen gas react with nitrogen gas? What are some simple steps I can take to protect my privacy online? 6 * 2/3 moles of ammonia must be produced. Therefore 4 moles of ammonia can be produced
Answer:
c) i) Mg²⁺ ii) O²⁻
Explanation:
I don't know the answer to Q7. because you don't show the diagram
The answer is: 60.
Tobacco products are made up of thousands of chemicals, including at least 60 known to cause cancer (carcinogens).
Some of carcinogens chemicals are: acetaldehyde, arsenic, radioactive elements (for example polonium-210), nitrosamines, nickel, benzene, polycyclic aromatic hydrocarbons, vinyl chloride.
Smoking tobacco causes at least 15 different types of cancer. For example: mouth, pharynx, larynx, oesophagus, liver, pancreas, stomach, kidney cancer.