Learn is the academic word
D. Marco, who rode to school on his bicycle this morning, arrived an hour early.
Context clues are used to (option 1) <span>Decipher the meaning of an unknown word.
When you do not know the meaning of a word, it is possible to look at what comes before and after it, the surroundings which are going to give you context clues to infer the meaning. there are 6 types of context clue, for example, root words and affix, contrast, logic, definition, etc. </span>
Answer: No, his experiment is not designed correctly.
Explanation: He didn't use the same measurements in each experiment. He should've either buried them all in the yard, or she should've kept them all in pots. Not having them in the same environment could affect the results of his experiment, thus making it inaccurate.