A basic source of energy is food!
we all need it for energy
plants and animals alike need food
we live in a dog-eat-dog world!
because of the food web
it is simple to get and eat!
The SUN!!!!
Without it , there would be no heat , no light.
wind
Sunlight is the main source of energy on earth
The Sun is the primary source of all energy on Earth.
We get most of our energy from the Sun.
Solar Energy.
Our main source of energy is the light and heat from the Sun.
It provides basic energy source and life on Earth
because plants need it for energy and we eat plants. plants are basic energy source we need the energy when it's transferred from one source to another
This is because the sun is earths basic source of energy.
The sun is the main source of energy on earth.
The primary is the sun
Sunlight is the main source of energy on earth
The most basic source and form of energy is from the sun, solar energy.
the sun is the main source of energy of the earth the sun is the main source of energy of the earth the sun is the main source of energy of the earth
Sunlight is the main energy source for life on earth.
The Sun is the primary source of all energy on Earth.
Chlorophyll is the source of all food energy on the planet earth.
sun