The answer is OD! Dense water is heavier than less dense water, this will sink because of gravity.
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)
<span>Eukaryote is an organism whose cells have all the organelles enclosed in a "cell membrane".</span>
Both involve gaining a positive effect from a source which becomes harmed.
Example: a predator eats it's prey for food
A parasite like a tape worm feeds off the nutrients in your body and makes the person sick
Explanation:
The watermelon fruit when is covered by the molds, a type of fungus which can grow on the moistened substances. The molds can be characterized by their black, green and white spores.
The molds grow on the moistened surface by growing their hyphae which can form mycelium. These hyphae continuously produce enzymes which can breakdown the organic matter present in the watermelon.
Therefore, the matter and energy of the watermelon are transferred to the molds as it forms the next trophic level in the food chain.