what are nutrients . for class 7th

Sustainable development is an organizing principle for meeting human development goals while also sustaining the ability of natural systems to provide the natural resources and ecosystem services on which the economy and society depend. 

Can you provide the question

Answer:

What are the 4 chemical properties of acids?

Acids

Aqueous solutions of acids are electrolytes, meaning that they conduct electrical current. ...

Acids have a sour taste. ...

Acids change the color of certain acid-base indicates. ...

Acids react with active metals to yield hydrogen gas. ...

Acids react with bases to produce a salt compound and water.

Answer:

200

Step-by-step explanation:

3÷200= 2(remainder)

Answer:

999/3=333 digits add them and get ur answer

Answer:

Step-by-step explanation:

(5xy+x^3 y+1) + (2xy-x^3 y-1)

First we remove the brackets by multiplying the signs:

5xy+x^3 y+1 + 2xy-x^3 y-1

= 7xy (ans)

Answer:

hope it helps sis!!❣️

Explanation:

ANCIENT TOWN CLASSIFICATION PADMAKA  This type of plan was practiced for building of the towns with fortress all round.  The pattern of the plan resembles the petals of lotus radiating outwards from the center.  The city used to be practically an island surrounded by water, having no scope for expansion.

The towns were divided into three sections: i. Fort of rulers (Citadel) ii. Houses of administrative officers situated on the upper part of town.They are elevated and safe with double-storeyed houses having two to five rooms.

Explanation:

7: Ram is half of his father's age. Twenty years ago the age of father was six times age of Ram. Find the present ages of Ram and his father.

8: Show that x = 1, y = 3 satisfy the linear equation 3x - 4y + 9 = 0.