Answer:
A lens tissue with distilled water (only after removing the loose dust, or else it will scratch the lens), after that lens use lens cleaning fluid/optical cleaning solution or absolute ethanol + lens tissue to remove oily dirt.
(MORE CLEANING DETAILS ARE NECESSARY AND WOULD TAKE AN ESSAY TO EXPLAIN)
Answer: C
Explanation: Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages.
Nitrogen and Carbon make up amino acids, that create proteins.
Phosphates make up DNA and ATP energy which allows for the transport of proteins and lipids in and out of a cell.
Answer:
The Krebs cycle
Explanation:
The Krebs cycle was named after a British-German biologist, Hans Krebs. The Krebs cycle is a part of cellular respiration. The Krebs cycle has different names, the citric acidity cycle, and the tricarboxylic acid cycle (TCA cycle). The Krebs cycle comes after the link reaction and then provides the hydrogen and electrons that is needed for the electron transport chain.
Hope I helped answer the question:)
Answer:DNA has three types of chemical component: phosphate, a sugar called deoxyribose, and four nitrogenous bases—adenine, guanine, cytosine, and thymine. Two of the bases, adenine and guanine, have a double-ring structure characteristic of a type of chemical called a purine.
Explanation: