Question

1.-Read the following sentences. Observe the use of zero and first conditionals.
Underline the clause and result with a color line.
Write below of the line the word: clause or result

2.-In each sentences there are two principal verbs, found and underline it after this re-write them in the three tense (present – past and past participle) example stop – stopped – stopped.

Scientists all around the world have warned about the terrible
consequences for our survival if we do not start changing the way
we use natural resources.

a.If population growth continues this fast, there will not be enough
food for everybody in the future.
b. If we have high CO2 concentration levels, the sun’s heat does not
go back into space and stays on the planet.
c. If the sun’s heat stays, it produces a greenhouse effect and global warming.
d. If humans destroy ecosystems, many species lose their homes forever. Now, two in five amphibian species are at risk of extinction.
e. If farmers do not stop using toxic chemicals on crops, many pollinator insects will disappear. In some regions, one in ten insect species are in danger of extinction.
f. If we do not reduce plastic use, our oceans will have more plastic items in them than animals.
g. If the temperature of the planet increases, ice from the poles will melt and disappear.
h. If the ice at the poles disappears, many cities on the coasts will be flooded.
i. If we start doing something now, we will avoid a sad future.

(POR FAVOR AYUDA) :(

Answer 1

Respuesta:

When read the following text.  

3. Observe the use of zero and first conditionals.  

Zero conditional: ZC

First conditional:  FC

TEXT:  Scientists all around the world have warned about the terrible consequences for our   survival if we do not start changing the way we use natural resources.  

a. If population growth continues this fast, there will not be enough food for everybody   in the future.  FC

b. If we have high CO2 concentration levels, the sun’s heat does not go back into space   and stays on the planet.  ZC.

c. If the sun’s heat stays, it produces a greenhouse effect and global warming. ZC.

d. If humans destroy ecosystems, many species lose their homes forever. Now, two in   five amphibian species are at risk of extinction.  ZC.

e. If farmers do not stop using toxic chemicals on crops, many pollinator insects will   disappear. In some regions, one in ten insect species are in danger of extinction. FC.  

f. If we do not reduce plastic use, our oceans will have more plastic items in them than   animals.  FC.

g. If the temperature of the planet increases, ice from the poles will melt and disappear.  FC.

h. If the ice at the poles disappears, many cities on the coasts will be flooded.  FC.

i. If we start doing something now, we will avoid a sad future.  FC.