Составить предложения со словами: notice, sample, harmful, sloppy, discover, believe, scientific

1. I have noticed a lot of similarities between our countries while living there.

2. The police took a DNA sample for another clue.

3. The smog is terribly harfmul for citizens.

3. She looked quite sloppy which is common for European women.

4. They discovered something extraordinary in these acient studies.

5. Believe it or not, he did all the housework this evening.

6. There is no scientific explanation for some things.