E a
th
A is
is
are
2. One tray holds grass growing in
soil. One tray holds plain soil with
no grass. Both trays are tipped up
on one side. Water is poured down
over the trays. Runoff is collected at
the bottom of the trays.
Hypothesis:

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Turbo the snail moves across the ground at a pace of 12 feet per day. if the garden is 48 feet away, how many days will it take for the snail to get there?

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount