The sale ___ (start) on Monday, according to the store's website.
STARTS
I haven't seen such rapid groundwater decline _____.
1. already
2. after
3. before
4. never
3
The study of origin, history, occurrence and structure of rocks is called:
1. petrology
2. hydrology
3. geomorphology
4. geography

To obtain water from an unconfined aquifer, a water table well must (to drill) below the water table and into the unconfined aquifer.
be drilled
Emma tried to read the _____ (confuse) instructions; she couldn’t understand anything.
CONFUSING
I think those jackets _____ (sell) out soon - they look great!
WILL BE SOLD
The researchers _____ (collect) samples when the sudden storm hit the area.
WERE COLLECTING
Canada is the country with the longest ... which is 56,453 miles long.

coastline
Glaciers and ice sheets both (to affect) and (to affect) by changes in Earth's climate.
affect; are affected
make a participle clause
While she was tidying up her room, she was listening to music.
TIDYING up her room, she was listening to music.
We ___ (visit) the mall this afternoon; our friends are meeting us there.
ARE VISITING
The coastal aquifer _____ (not receive) recharge primarily during the summer months.
DOESN'T RECEIVE
Which of the statements is true?
1. The Moon is the source of energy that activates the hydrologic cycle
2. Transpiration is the process of infiltrating water by vegetation
3. In the Arctic evaporation from water and snow surfaces is frequently higher than precipitation
4. When the rate of precipitation exceeds the rate of infiltration, the soil surface runoff usually occurs
4
This year some indications (to find) of the southward flow to about lat. 23 N, but no clear evidence for a boundary current flow (to be) available between there and the equator.
have been found; has been/is
make a participle clause
I live in a city that was founded two thousand years ago.
I live in a city FOUNDED two thousand years ago.
Look! The airplane on the runway _____ (take off)!
IS GOING TO TAKE OFF
The permafrost _____ (thaw) at an alarming rate this century.
IS THAWING
What are the parts of the hydrologic cycle?

Make the correct consequence of inserted verbs:
An intensive study across long periods (...) that deep ocean temperatures (...) at levels scientists (...) significant, though not as rapidly as climate change (...) land temperatures.
1. deem
2. shows
3. has affected
4. are rising
2-4-1-3
The information _____ (take) from the database proved to be _____ (mislead).
TAKEN / MISLEADING
The next holiday when I ____ (have) a day-off ____ (be) in 10 days.
AM HAVING; IS
The research vessel _____ visited the Arctic three times. Now its research area is the Atlantic.
VISITED
Benjamin Franklin was the first to conduct the scientific study of the ... . In 1769-1770, together with his cousin Timothy Folger, who happened to be a whaler and the captain of a Nantucket merchant ship published its first map.


the Gulf Stream
Make the sentenсe passive:
In 2021, new research indicated that soon the ocean might not absorb carbon dioxide or on the contrary emit it.
In 2021, in the new research it was indicated that soon carbon dioxide might not be absorbed by the ocean or on the contrary be emitted by it.
Make the correct form of participles if the translation is "так как образовался"
Ice was sighted floating at sea (to form) either upon the salt water itself or upon the land.
having formed