Answer: The answer is C. Gasoline and greases and here is some more info
In fire classes, a Class B fire is a fire in flammable liquids or flammable gases, petroleum greases, tars, oils, oil-based paints, solvents, lacquers, or alcohols. For example, propane, natural gas, gasoline and kerosene fires are types of Class B fires.
Explanation:
Answer:
v = 40 m/s
Explanation:
Difference in the height of the two columns:
Air density, 
Water density, 
The velocity of air flow is given by the equation:
Autograph: Trees (Image 1), algae (Image 4), carrots (image 6)
Heterograph: Tiger (Image 2), deer (image 3), human (image 5)
Explanation:
The difference between autotroph and heterotroph organisms is the way they obtain energy. In the case of the first category, these include organisms that can produce energy by a process known as photosynthesis. This covers all plants and similar such as tress, algae, and carrots.
On the other hand, heterotrophic organisms cannot produce energy and need to feed on other organisms, which can include feeding on plants or animals. In this context, this category includes tigers because they feed on other animals, deer because they feed on plants, and humans because we feed on plants and animals.
Answer:
the answer is false solid rockets can experience significant 2 phase flow
Answer: Yes, it will be around 40ppm(at steady state)
Explanation:
The above question can be solved by performing material balance of CO in the building. The material balance equation is given by, Rate of change of CO in the building = Rate of inflow of CO into the building - Rate of outflow of CO from the blood
