i need help. How would you fix these sentences?

3. With machetes, the explores cut their way through the tall grasses to the edge of the canyon. Then they began to lay out the tapes for the survey.

4. The owners of the online grocery store rented a warehouse in the Market district. An area catering to small businesses.

5. If a woman from the desert tribe showed anger toward her husband, she was whipped in front of the whole village. And shunned by the rest of the women.

First of all, I need you to let me know what YOU THINK is wrong with each one.

Hint: #s 4 and 5 have the same problem as in this post of yours:
http://www.jiskha.com/display.cgi?id=1266357021

Writeacher has helped you with two or three sentences. Now it's your turn.

Please post your corrections, and we'll be glad to check them.

who are you????

who are you too?????

We are both teachers ... and we're waiting for your response.

3. With machetes, the explorers cut their way through the tall grasses to the edge of the canyon, and then they began to lay out the tapes for the survey.

4. The owners of the online grocery rented a warehouse in the Market district, an area catering to small businesses.
5. If a woman from the desert tribe showed anger toward her husband, she was whipped in front of the whole village and shunned by the rest of the women.

Yes, those are all fine.

1. Death Valley National Monument, located in Southern California and Nevada, is one of the hottest place on earth, temperatures there have soared as high as 134 degrees Fahrenheit.

I see a comma splice in there. How will you fix it?

http://grammar.ccc.commnet.edu/grammar/runons.htm#splice

Death Valley National Monument located in Southern California and Nevada, is one of the hottest place on earth. temperatures there have soared as high as 134 degrees Fahrenheit.