Questions Answered by Elena

• How old is earth ? by anon-276419 and 1 other. Comments: (No comments so far )
• How many volcanoes are there in the world and how many have you visited by anon-276203 and 1 other. to Katy, Elena Comments: (so far, 2s comments )
• What was your favorite experiment that you have done? by anon-276004 and 1 other. to Marie, Elena Comments: (No comments so far )
• Have you ever done an experiment during quarantine,if so what was the experiment? by anon-276004 and 2 others. Comments: (So far, one comment )