Answer:
Soda-acid fire extinguishers contain sodium bicarbonate and sulphuric acid. It is the most effective house-hold fire extinguisher and it consists of a strong iron vessel .The sulphuric acid reacts with sodium bicarbonate to form sodium sulphate, water and carbon dioxide.
Explanation:
Answer:
seeds can be disperse by rodent and birds, on mud adhering to boot, on vehicle and machinery, and by flood water. It is also spread by an explosive mechanisms( on local level) when the capsule dries up and splits
Answer:
Coal is a fossil fuel. It comes from the remains of plants that died about 100 to 400 million years ago. Coal is a non-renewable energy source because it takes millions of years to form
Fruit flies produce offspring relatively fast and have specific traits, such as eye color and body color/shape. They are easy to observe and their traits are easily traced throughout the next generations.
