The correct answers for the three sentences from their drop-down menus are:
1) Scientists conjectured that reducing…
Meaning: <em>they speculated</em>
2) Jonathan was irritated by the incessant noice made by…
Meaning: <em>constant noice</em>
3) …when he fortuitously stumbled upon…
Meaning: <em>accidentally </em>
Anyone up to talk? Be friends? Is what you meant to say :)
Answer:
like heart and if you can brainlist that is how hope this helps
Explanation: