A fume hood is use to prevent a person from exposure to hazardousfumes from chemicals.
Answer:
500-million-year-old fossil found in BC is ancient ancestor of spiders and scorpions. Palaeontologists in British Columbia have found a fossil of the oldest known ancestor of scorpions and spiders.
Answer:
immunodeficiency disorders,and etc
Explanation:
because immunodeficiency disorder- is a disorder that helps you attract more viruses and illness. it can bae acquired trough birth or dieting or lack of energy foods...
Answer:
a.)
Explanation:
The dense cold salty water from the south sinks to the bottom of the ocean.
When the food hits our tongues it triggered saliva (chemical digestion) then our mouths chewing is mechanical. So therefor your answer is The Mouth. Hope this helps <3
