The two __1__ of energy for life on this planet are ultimately the photons from the __2__ and the __3__ from the __4__. Fill in the blanks

1. forms 2. light energy 3. chemical energy 4. Sun.

Explanation:

In the earth, life is possible due to the two forms of energy that directly comes from the sun and convert in other forms. Plants and other photosynthetic organism takes light energy or solar energy from the photons that come from the sun and store that energy in the form of chemical energy b the process called photosynthesis.

Thus, The two forms of energy for life on this planet are ultimately the photons from the light energy and the chemical energy from the Sun.