What is a small area of land that drains all water to a stream when the surface is saturated?

A) river basin

B) watershed

C) estuary

D) aquifer

In which layer do organisms on earth love?

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

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.