If you accompany someone, you are going ___________ them.
with
For thousands of years, maps only depicted about _______ of the planet.
1/3
When was she born?
in 1920
How much of the Earth is covered with water?
71%
It took many years to ________ what the ocean floor actually looked like.
determine
The continuous echo sounder used electricity and a signal called a _______.
ping
What was her job before becoming a scientist?
She helped find crashed airplanes.
What's a big problem for the ocean as mentioned in the text?
plastic
You should not jump into a pool before checking the ____________ .
depth
When did Tharp complete drawing her map?
1977
For what type of company did Marie Tharp first start her career?
Oil company
How many marine animals die because of plastic in the oceans?
10,000
In order to get an accurate map of the seafloor, the measurements must be _________, not just one at a time.
continuous
Why did Tharp and Heezen have to split up when they started gathering data?
because women weren't allowed on research ships.
What did Marie Tharp study in school?
Geology
80%
What is another word for "data"?
Information
Who helped Tharp and Heezen draw their maps?
What was the name of the important theory that Marie Tharp came up with?
the theory of continental drift
according to the text, what do people do to clean up the oceans?
people help remove plastic from water and educate others about keeping the oceans clean.