Sentences with phrase «use of fire indicate»

We believe that negative synergies between deforestation, climate change, and widespread use of fire indicate a tipping point for the Amazon system to flip to non-forest ecosystems in eastern, southern and central Amazonia at 20 - 25 % deforestation.

Not exact matches

Lab reports indicate that accelerants were used to start and spread the fire, which destroyed an earth mover and damaged three other vehicles at the future site of the Islamic Center of Murfreesboro, ATF spokesman Eric Kehn said.

The clues indicating early use of fire tend to be subtle; it's easy to miss them, but it's also easy to see them when they're not really there.

1 Crazing of windows, in which hundreds of cracks appear in the glass, indicates rapid heating and means an accelerant was used to start the fire.

Crazing was commonly thought to indicate rapid heating and therefore, once again, the use of a fire accelerant.

The first evidence of early humans using fire dates back to more than a million years, but the practice did not become routine until about 650,000 years later, the latest research indicates.

At first, all you'll be doing is climbing, pushing switches and avoiding cameras, but as you progress through the game and the difficulty increases, more strategies and elements are introduced, like the need to manipulate light sources to stay hidden (the amount of darkness you're in is indicated by the color of the clone's goggles), using blocks or enemy robots to activate pressure switches, avoiding deadly turret fire, tripping sensors to activate stuff, and more.

The fire bore many of the hallmarks of what was thought to be arson, including burn patterns and what appeared to be pour patterns on the floor that were believed to indicate the fire had been set using a liquid accelerant.