Select the three hypotheses. Grass prevents erosion when planted on a hillside.

Eating sweets may affect weight gain in children.

Brand X battery maintains a charge longer than brand Y.

Hummingbirds are aggressive animals.

A child will catch a cold if she plays in the rain.

If a plant receives fertilizer, it will grow at a faster rate.

Eating sweets may affect weight gain in children.

A child will catch a cold if she plays in the rain.

If a plant receives fertilizer, it will grow at a faster rate.

Hypothesis is an educated guess. It is necessary to have a Hypothesis before performing an experiment. There are also other steps or requirements you need before conducting experiments. A Hypothesis usually has what is known as an if-then statement. Example: If do da do, then this will occur. "IF" is the first part, "THEN" is the second part of the statement.

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle