Question

1 .what are the useful effects of fungi on human life
2 . how do bats fly safely in darkness
3.what is soda acid fire extinguisher
4.what are bacteria
5.what is acid rain ? name 2 gases which are responsible for acid rain

Answer 1

1. some fungi(not all) provide essential nutrients for the growth of the plants. Fungi are used in the production of chemicals and also in the drug manufacturing industries.

2.Many people think that bats are blind but in fact they can see almost as well as humans. At night their ears are more important than their eyes-they use as special sonar system called echolocation meaning they find things using echoes.

3.A soda acid fire extinguisher was patented in the U.S. in 1881 by Almon M .Granger.His extinguisher used the reaction between sodium bicarbonate solution and sulphuric acid to expel pressurized water onto a fire . A vial of concentrated sulphuric acid was suspended in the cylinder.

4. A member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organised nucleus.

5.Acid rain is caused by emissions of sulphur dioxide and nitrogen oxide ,which react with the water molecules in the atmosphere to produce acid. It can give harmful effects on plants,animals and humans. It is affecting on non-living components also like monuments eg. tajmahal...
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Answer 2

Olá User.
Here's ur answer.

⭐ Fungi has many useful effects.For example:Yeast.
It is used as an nutrient suplement ,'MUSHROOMS".

⭐The bats fly in the dark by emitting and detecting the ultrasonic waves recieved after reflection.The nature of reflections tells the bat about the location and nature of obsacle or prey.

⭐ It is powdered extinguisher consisting of NaHCO3.

⭐ The smallest organism which can't be seen with an eye.

⭐ It is a type of rain in which acids come along with rain.It corrodes monuments,bridges,etc.
=> NO2 and SO2.

HOPE IT HELPS!!
@Charlie16.