Some islands are formed by volcanic eruptions, and the islands provide habitats for many organisms. What is another way volcanic eruptions can benefit an ecosystem?
A. transporting seeds
B. providing fertile soil
C. blocking sunlight with ash clouds
D. maintaining a warm ocean temperature

20 the main source of energy for our planet comes from the

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.

Why are some people more concerned about shark survival than about shark attacks?