Firstly, using computer we can do a lot of tasks in no time. Secondly, a computer with the Internet is the thing with which we can read additional articles and electronic books. Almost all information we can find in it. Thirdly, computer also helps us to make presentations, reports and papers. Without them we would live very difficult(for example, thesis defense) However, others think differently. They suppose a computer ruins our eyesight very much. Besides, it takes a lot of time children or students, so they become dependent computers.
depends / this water / on / on / Earth / life / all.
All life on Earth depends on (this???) water
All life on (this??) Earth depends on water
a / blanket / gases /of / by / surrounded / is / the / Earth.
The Earth is surrounded by a blanket of gases
layer / the / ozone / scientists / are / about / concerned.
Scientists are concerned about the ozone layer
lakes / to / protect / we / streams / rivers / can / oceans / help.
We can help to protect streams, rivers, lakes, and oceans
the Earth / anyone / can / green / help / to / keep.
Anyone can help to keep the Earth green
greenhouse / trees / fight / help / effect / and us / give / oxy-gen.
Trees give oxygen and help us fight the greenhouse effect
April / 22 / day / Earth / inhabitants / of / celebrate / Earth.
The inhabitants of Earth celebrate Earth Day on April the 22nd.
air / polluted / for / people / trees / other / plants / but / for / animals / is / not / only bad.
Polluted air is not only bad for people, but (also) for plants, trees, and other animals
harmful / for / acid / to / plants / is / rain / rivers / live / in / creatures / them.
Acid rain is harmful to rivers, plants, and creatures that live in them
Здесь что-то не так, видимо, неудачно переписали слова. Кое-где пришлось добавить артикли и тп
Secondly, a computer with the Internet is the thing with which we can read additional articles and electronic books. Almost all information we can find in it. Thirdly, computer also helps us to make presentations, reports and papers. Without them we would live very difficult(for example, thesis defense)
However, others think differently. They suppose a computer ruins our eyesight very much. Besides, it takes a lot of time children or students, so they become dependent computers.