metals (left side of periodic table) become positive ions so calcium would be the answer
the only reason i am wasting one of the two answers your post is allowed to get is because its been 3 hours and no one has answered yet.
Where do you go to school? I think it is very coincidental that you have the exact same question i do, and you had the question exactly when I got the question...about 3 hours ago. Now it IS a curriculum so its not that weird, but by any chance are you in K12? 8th grade?
They put a camera up to the microscope! I’ve done that with my phone camera and it’s so cool!
The female sex hormones are estrogen and progesterone.
Hope that helps!
Because the air freshener is being released out in to open, so it spreads everywhere.
Hope that helps :)