Question

How can we protect natural resources

Answer 1

Answer:

L.H.S. = x2 – y2

= (p sec θ + q tan θ)2 – (p tan θ + q sec θ)2

= p2 sec θ + q2 tan2 θ + 2 pq sec 2 tan 2 -(p2 tan2 θ + q2 sec2 θ + 2pq sec θ tan θ)

= p2 sec θ + 2 tan2 θ + 2pq sec θ tan θ – p2 tan2 θ – q2 sec θ – 2pq sec θ tan θ

= p2(sec2 θ – tan2 θ) – q2(sec?2 θ – tan2 θ) =

= p2 – q2 …[sec2 θ – tan2 θ = 1

= R.H.S.hii

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Answer 2

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Ten Simple Things You Can Do to Help Protect the Earth

Reduce, reuse, and recycle:-

• Cut down on what you throw away. Follow the three "R's" to conserve natural resources and landfill space.

Volunteer:-

• Volunteer for cleanups in your community. You can get involved in protecting your watershed, too.

Educate:-

• When you further your own education, you can help others understand the importance and value of our natural resources.

Conserve water:-

• The less water you use, the less runoff and wastewater that eventually end up in the ocean.

Choose sustainable:-

• Learn how to make smart seafood choices at www.fishwatch.gov.

Shop wisely:-

• Buy less plastic and bring a reusable shopping bag.

Use long-lasting light bulbs:-

• Energy efficient light bulbs reduce greenhouse gas emissions. Also flip the light switch off when you leave the room!

Plant a tree:-

• Trees provide food and oxygen. They help save energy, clean the air, and help combat climate change.

Don't send chemicals into our waterways:-

• Choose non-toxic chemicals in the home and office.

Bike more:-

• Drive less.