How long were the very big dinosaurs? oтвет по .

For over 160 million years, from the late triassic period about 225 million years ago to the end of the cretaceous period about 65 million years ago, when most of them became extinct during a large-scale extinction of animals and many varieties of plants in a relatively short geological period of history. fossil remains of dinosaurs found on all continents. now paleontologists described more than 500 different genera and more than 1,000 different species, which are clearly divided into two groups: the ornithischian and saurischian dinosaurs.

1)

1.1 - is tom eating a pizza at the moment?

1.2 - is tom eating a pizza or a hamburger at the moment?

1.3 - why is tom eating a pizza at the moment?

1.4 - tom is eating a pizza at the moment, isn't he?

1.5 - isn't tom eating a pizza at the moment?

2.1 - have they been to wales this year?

2.2 - have they been to wales or scotland this year?

2.3 - who has been to wales this year?

2.4 - they have been to wales this year, haven't they?

2.5 - haven't they been to wales this year?

3.1 - did ann write a poem yesterday?

3.2 - did ann write a poem or an essay yesterday?

3.3 - when did ann write a poem?

3.4 - ann wrote a poem yesterday, didn't she?

3.5 - didn't ann write a poem yesterday?

2) it doesn't snow in august. it didn't snow two days ago. we haven't been to the zoo this week. they didn't buy a new car last year. my sister isn't watching tv now.

3) a; b; c; b; c; c; b; c; c; c

4)

1. to throw away the garbage. накрыть на стол. pudding, sault, pepper.

2. подмести пол. cousin.

3. жена и муж. family (hearth)

4. быть сладкоежкой. niece

5. моя старшая сестра. to clear the table

6. многоквартирный дом