The sudden disappearance of the dinosaurs has baffled _______ for many years.
clinicians
scientists
opponents
analysts
In the rainy season this valley becomes a sea, ______ by the discharge of the Khanega.
discovered
supplied
surfaced
flooded
The ____ is very fertile, and many of the inhabitants have acquired much wealth from the cultivation of rice.
soil
seawater
flooded
surface
The amount of ______ is dependent on the extent of the daytime cloud cover.
sunlight
seawater
interest
surface
His self-infection was in the _______ of science.
optimistic
wind
interest
equipment
An _____ is a small animal that has six legs. Most insects have wings.
arthropod
fly
bug
insect
Tanks were deployed ______ during the long campaign.
interestingly
constantly
extremely
effectively
The _______ once covering 26,000 square miles vanishes into desert.
biospheres
seawater
soil
desalination
The ________ plant was to be funded by raising water rates to achieve full cost recovery.
large-scale
extreme
seawater
desalination
97% of all the water on the Earth's ______ is salt.
flooded
surface
soil
equipment
Two species of blind fish, of ______ scientific interest, are found in the caves of the island.
effectively
optimistic
constant
extreme
A _______ study of the benefits of dark chocolate would require many people and lots of time.
discovered
constant
effectively
large-scale
In science, minor changes can make a vast difference in an experiment's outcome, so experimental ________are important.
equipments
constants
surfaces
supplies
Science has _________ that there are five types of human beings.
discovered
generated
observed
flooded
All of the ecosystems in the world make up the ________.
desalination
biosphere
seawater
method
In two campaigns, distinguished by rapidity of movement, he met and defeated his ________ in six battles.
opponents
advantages
equipments
supplies
The solar _____ is a stream of protons and other sub-atomic particles emitted by the sun.
flood
wind
surface
sun
Computer based sequencers have several _______ over their hardware-based counterparts.
equipments
scientists
advantages
opponents
One example of scientific _______ is the fact that the earth rotates on its axis as it revolves around the sun.
supply
knowledge
equipment
method
The school needs new laboratory ________.
surface
equipment
knowledge
supply
The modern scientific ______ is usually attributed to Galileo.
knowledge
supply
surface
method
We have a plentiful _____ of water.
advantages
desalination
supply
equipment
Aristotle was _______ of great achievements over the whole range of the sciences.
optimistic
interesting
extreme
effective