Which statement is a hypothesis? jada decides to investigate the effectiveness of hand sanitizers compared to soap. she says that hand sanitizers are as effective as soap in destroying bacteria. many sanitizers have alcohol as their main component. she performs a study in which people use sanitizers for one week and then soap for another week. she then examines the bacterial count.

Option (b) is the correct answer.

Explanation:

When on the basis of certain facts about the object or subject we provide an explanation which is not proved is known as hypothesis.

For example, Jada says that hand sanitizers are as effective as soap in destroying bacteria.

Since, it is not proved by her and this statement shows just an explanation which is not experimentally found.

Thus, we can conclude that the statement hand sanitizers are as effective as soap in destroying bacteria, is a hypothesis.

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.

correct answer is a. and d.