What is one reason some leaves are spiny, or needle-shaped? a. to increase the rate of formation of food in leaves b. to reduce water loss from leaves in dry climate c. to store food in dry climates?

B. to reduce water loss from leaves in dry climate.

Explanation:

Spiny or needle shaped leaves is a kind of adaptation in plants which is typically seen in plants that survive in dry climatic conditions. The needle shaped leaves reduces the surface area of the leaves which prevents the loss of water through transpiration.