please answer my question please
Answers
Answer:
a. There are seeds that need frost, some even need fire. All the specific conditions a seed needs to germinate won't be present in your seed packet but by far the most important is humidity. So if you don't want those precious seeds to germinate inside the packet: keep it dry.
b.It is also used to provide a sufficient number of plantlets for planting from a stock plant which does not produce seeds, or does not respond well to vegetative reproduction
c.Locusts are adapted to live in hot and dry countries, their eggs are sometimes able to dry out and still hatch out when it is wet again! ... When locusts are moulting they cannot escape if their enemies try to attack them.
d.Pure oxygen, instead of air, is used to increase the flame temperature to allow localized melting of the workpiece material (e.g. steel) in a room environment. ... Welding metal results when two pieces are heated to a temperature that produces a shared pool of molten metal.
e.Soda water, like other carbonated beverages, contains carbon dioxide that has dissolved under pressure. When the pressure is released by opening the soda container, the liquid cannot hold as much carbon dioxide, so the excess bubbles out of the solution
f.We should all use all energy economically and wisely. There is no good reason to waste energy in all forms - hydrocarbons, firewood or human muscle. ... Wasting hydrocarbons basically burns money and wasting forest land destroys natural environments.
g.The most common cause of chronic bronchitis is cigarette smoking. Air pollution and dust or toxic gases in the environment or workplace also can contribute to the condition