Use appropriate sentence connectors in the blank spaces of the following passage:

 Trees are a vital part of our environment. (a) _____, they bear a great impact on the climatE- (b) _____ we are not careful about them. (c) _____, we destroy trees at random. (d) _____, one day the country will bear the consequence of greenhouse effect. (e) _____ ours is an agricultural country, our economy depends on it. (f) _____, our agriculture is dependant on rain. (g) _____, trees play a vital role on our climatE- (h) _____, trees keep the soil strong. (i) _____, trees save us from flood (j) _____ many other natural calamities.