Colombian Superstitions

If you pass under a ladder, you will have bad luck.

If you kill a black cat, you will have seven years of bad luck.

If you sales the of the new year with a suitcase you will travel all year.

Positive and negative consequences of the deforestation

Possitive

If we clear the forest, we will have more land for agriculture.

If we cut down the trees, we will build more roads.

If we cut down the trees, we will build more house and factories.



Negative

If we cut down the trees, the rainfall will decrease.

If we clear the forest ,the temperature will increase.

Air Pollution / Causes and Effects

CAUSE	EFFECT	LLUSTRATION
Factories polluted rivers and Canals with sewage and industrial waste.	Many species of fish died and they did  not  have drinking water
Emissions from coal- powered plants resulted in acid rain.	It caused major damage vegetation, and ended with nitrogen-fixing microorganisms.
Coal was burned and it produced toxiz gases	Increased pneumonic diseases
Rivers and canals were polluted with sewage and industrial waste	Cholera took many lives due to people using water from canals and rivers for cleaning and cooking