It is a A. simple sentence, because there is only one main verb - opened.
A compound sentence has at least two independent clauses, a complex sentence has an independent clause and at least one dependent, a compound-complex clause sentence has two independent clauses and at least one dependent.
Answer:
Animals and plants have <u>different properties</u> that allow us to sort them into group. For exmple, birds and mammals both breathe using <u>lungs</u>. But <u>mammals</u> live birth to live youngs, unlike <u>birds</u> which lay eggs.
Explanation:
The last one is grammatically correct
Answer:
Jupiter
Explanation:
Jupiter is a large ball of gas