What relationship can be determined from the following information: A. The radioactive isotope iodine 131 has a half-life of 8.1 days and emits 0.8 MeV (milli-electronvolts) of energy.
B. The radioactive isotope phosphorus 32 has a half-life of 14.3 days and emits 1.7 MeV of energy.
C. The radioactive isotope phosphorus 33 has a half-life of 25.5 days and emits 0.25 MeV of energy.
D. The radioactive isotope sulfur 35 has a half-life of 87.5 days and emits 0.2 MeV of energy.

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.