1. North America was once a home to ____________,camels, ground sloths, bear-sized beavers, and beasts.
Mammoths
2. About 11,000 years ago, large-bodied mammals and around _________ disappeared.
70 species
3. Even after decades of _____________, the cause for the demise of these species still remains unknown.
scientific investigation
4. The overkill model emerged in the 1960s and was put forth by_______ of the University of Arizona.
Paul Martin
5. Paleoecologist John Alroy determined using a _________ that hunting could have destroyed these animals.
computer simulation
1. The negative repercussions of human activities have led to the restoration of water hyacinth to the waters in ____________.
East Africa
2. Recently, Uganda’s Kyoga lake experienced problems with ____________.
infestation
3. _______and_______ are creating an excess of nutrients in the water as contributing factors.
Sewage, (agricultural) waste
4. Wood burning and cooking fires serve as nutrition to the rising ______________.
plant population
5. Kayago completely depends on _________ for their economy and food source.
fishing activity
1. Traditional use of languages are said to be more ________ and _________.
superior, refined
2. Scholars affirmed that the English language should be adapted to follow the rules of ___________.
Latin
3. Even though splitting infinitives in English was possible, it was not ____________.
acceptable
4. Rules like splitting infinitives are considered as _____________.
grammatically incorrect
5. Split infinitives are likely to be ____________ in future.
abandoned
1.Taking a short walk in the morning can help your bodywork with your ________.
circadian rhythm
