A student is using colored beads to make a model of aluminum sulfate, Al2(SO2)3. Alu atoms are represented by blue beads, sulfur atoms by yellow beads, and oxygen aton

green beads.

What combination of beads should the student use for the model?

Science

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.