The Sahara desert goes from Mauritania all the way __________ Egypt. It’s huge!
across
________ months of asking for a pet, Harry’s parents finally got him a puppy.
After
Wind and solar power are forms of _______ energy.
renewable
Many ________ species will become extinct.
endangered
Sunlight can be turned ________ electricity if we use these solar panels.
into
We all have to take action ____ global warming by buying recycled products.
on
