Which best describes a scientific theory?
a. an educated guess about an aspect of nature
b. a hypothesis that is proven true with an experiment
c. the conclusion of a single scientist about a hypothesis
d. an idea that is supported by many different experiments

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?

The most effective way to provide children with safety messages is to

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.