The sun is
a. luminous; it gives off its own light.
b. illuminated; it gives off its own light.
c. luminous; it reflects light.

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products

What is turgor pressure, what causes it, and what does it do for a plant?

When plants use sunlight to make food, the energy of sunlight is