How can you tell that you're driving in the right direction? a. there is a white line on your left and a yellow line on your right. b. there are yellow lines on both sides of your vehicle. c. there is a double yellow line on your right. d. there is a yellow line on your left and a white line on your right.

A. There is a white line on your left and a yellow line on your right.

Explanation:

You can tell your driving the right way is there is a white line on your left and a yellow line on your right.

Answer

1) Gram Iodine 2) area of clearing or non stained halo

Explanations:

Amylase catalyzes the breakdown of starch into maltose, a disaccharide ( two joined monosaccharide like glucose). This action was the reason why there was zone of clearing since starch molecules has been broken down. If present starch give a blue black colouration with Iodine.