Some companies think they will be able to ________ tourists into space within the next few years
launch
monitor
Some researchers want to ________ the natural beauty of the ocean.
preserve
use up
Some experts are worried that humans will ________ the Earth's supply of oil one day.
use up
come across
I bought a telescope so I can ________ the stars at night.
observe
preserve
The equipment used to ________ the ocean floor is very expensive.
come across
monitor
Underwater vehicles are often used for ocean ________ .
atmosphere
exploration
Sometimes, ________ are used to predict the weather.
satellites
resources
Scientists are continuing their ________ into why the rocket exploded when it took-off.
monitor
investigation
Too much pollution can create a dirty und unpleasant ________ for many people
species
atmosphere
The ocean contains many useful ________, such as salt, sand, copper, and oil.
resources
investigations
Many ________ that live in the ocean are still being studied by scientists
satellites
species
The tourists didn't ________ any rare type of fish on their roadtrip.
come across
launched
I love to float on the ________ of the water. It's so relaxing.
atmosphere
surface
Ocean ________ is useful in many different ways.
resources
exploration
Scientists are making breakthroughs in medicine by ________ different ________.
observing, species
launching, investigation
launching, species
observing, investigation
It's important to ________ ocean waters.
surface
monitor
