6. Answer the questions, a. What makes up an ecosystem?
b. Why do we need to protect the Earth from pollution?
c. What can the effect of pollution be?
d. What is an ecosystem?
e. Is it possible to change an ecosystem?
f. Are people the only ones who disturb the balance of the environment?​

I’ll never forget …having sailed (sail) down the Volga on that lovely summer day.

I am so sorry; I forgot …letting (let) you know.

Don’t forget …to remind (remind) them about the party.  

I remember …having seen (see) you somewhere.  

Did you remember …to water.. (water) the plants today?  

I’m sorry …………to…interruping……….. (interrupt), but can I ask you something?

Bob was sorry for …………has……shout…….. (shout) at his little sister.

He stopped ……………to smoke……….. (smoke) when he realised how dangerous it was.

Amanda stopped ………………his …….. (have) a quick snack and then continued translating the article.

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You should try ……………exercising……….. (exercise), you may feel better.

Объяснение:

Відповідь:

1)The study of how you inherit genes from your parents is known as genetics.(Наука,что изучает внаследование генов от твоих родителей,известна как генетика.)

2)The number of cells in your body is in the trillions.(В человеческом теле трилиард клеток.)

3)You recieve 23 chromosomes from your father and 23 from your mother.

(Ти получаеш 23 хромосомы от папы и 23 от мамы.)

4)Maria Curie is famous for her research on radioactivity.

5)DNA is made up of numerous short sections called genes

6)theory(Извини,не знаю как првильно подставить.У тебя есть пропуск в 5,поставь theory)

Пояснення: