D. experiment. In the scientific method, after you form a hypothesis, you test your hypothesis with an experiment.
Speed of light is usually time and space so probably C
Tissue culture<span> is the growth of </span>tissues<span> or cells separate from the organism. This is typically facilitated via use of a liquid, semi-solid, or solid growth medium, such as broth or agar.
Hope this helps.
brainliest??</span>
Answer:
When somewhere covered in mold you may not even see it, but a good way to know its there is the smell, or the quality of the air. If the air feels musky and gross there could be some mold somewhere.
b. one new offspring that is identical to the parent
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