Protecting the natural ________ is important for plants, animals, and people.
environment
Rain covered the car’s ________, making it hard to see.
windshield
Do not ________ the speed limit while driving.
exceed
Water will ________ when it is heated to a high temperature.
vaporize
Many renewable energy sources, ________, solar and wind power, reduce pollution.
for instance
________ is the force that makes objects fall toward the ground.
gravity
Rain, snow, and hail are all forms of ________.
precipitation
Animals must ________ to their environment in order to survive.
adapt
The manager promised to ________ the cause of the problem.
look into
This road is dangerous, ________ during winter.
especially
Drinking water in ________ can still cause health problems.
excess
The soil needs enough ________ for crops to grow well.
moisture
Dust can ________ on shelves if they are not cleaned regularly.
accumulate
Please ________ the empty bottle in the recycling bin.
discard
With enough practice, you will ________ improve your skills.
eventually
Healthy ________ is necessary for farming and gardening.
soil
The report was based on careful ________ research and data.
scientific
Sugar will ________ quickly when stirred into hot tea.
dissolve
Water vapor will ________ into droplets on a cold surface.
condense
You need experience ________ to applying for the job.
prior
The city stores drinking water in a large ________.
reservoir
One basic scientific ________ is that energy cannot be destroyed.
principle
Water can ________ the ground after heavy rain.
penetrate
Heavy rain can ________ the soil completely.
saturate
________ use of chemicals can harm the environment.
excessive