Which is the best summary of the selection? Leaves are something to be thankful for because they produce carbohydrates.

Leaves conduct photosynthesis, which converts energy from the Sun into chemical energy that is useful and important to humans.

Photosynthesis is a vital part of the food chain.

Radiant energy is the most important part of photosynthesis. It is energy from the Sun, which leaves are thankful for.

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.