Answer:
He wanted to indicate his strong support for the program, and this [speech] was the chance to do it." At Rice, Kennedy stressed that humanity's charge into space is inexorable, and that the world would be better off with the United States leading the way
Explanation:
A complex sentence contains one independent clause and at least one dependent clause. Here, in your example, there are two simple independent clauses which you need to merge using a dependent adjectival clause in order to make one complex sentence. Here is how to do it:
The boy <u>who wore a green coat</u><u /> carried his sister home.
Answer:
I feel angry because my brother steal my ice cream, but today i feel happy because my brother didn't steal my ice cream
your brother might don't have money to buy ice cream
Answer: had effects on other parts of the food web
Explanation: