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  • 6 years ago
you can get here videos related to class 4 maths, class 4 science, class v maths, class ix physics, class 3 s.st, class 3 s.st something to do, class 4 maths brain teasers, class v maths brain teasers, class ix numericals, keep studying.saving ourselves from harmful insects (class iv science lesson 6)
One reason insects can be harmful is because some can sting, bite, or even spread disease. ... When these insects feed on us, they can sometimes inject deadly germs into our bloodstream that can cause serious illness and even death. In addition, some of the most deadly diseases are transmitted by insects.
How to Protect Yourself from Biting and Stinging Insects

Apply insect repellent. Use these readily-available sprays and lotions to guard against mosquito, flea, and tick bites. ...
Avoid the outdoors from dusk to dawn. ...
Banish blooming plants. ...
Clean up the wood and the woodsy. ...
Cover up. ...
Drain standing water. ...
Don't go on the attack. ...
Keep trash picked up and covered up.
Why should we protect ourselves from insects?
The majority of insects perform vital tasks such as pollination, aerating the soil and breaking down dead animals and returning them to the earth. ... “In addition to pollinating, some insects consume other insects to keep the ecosystem balanced, while others decompose dead materials so we aren't up to our necks in waste.”
Here are 7 natural ways to prevent mosquito bites:

Lemon Eucalyptus. The Center for Disease Control and Prevention (CDC) has classified lemon eucalyptus, an EPA registered repellent, as an active ingredient in mosquito repellent. ...
Catnip Oil. ...
Peppermint Oil. ...
Lemongrass Oil. ...

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