An organ is a structure composed of two to four types of tissues working to perform functions that are beyond the scope of an individual tissue type. A set of related organs working cooperatively toward the performance of even more complex functions constitutes an organ system.
1.desert
2. tropical
3.savannah
4.rainforest
5. Mediterranean
*Wild guess*
The great depression in 1929 is widely accredited to have been started by the Wall street crash, the drastic and fast fall in stock prices on the US stock market.
Answer:
Tinker v. Des Moines remains an important precedent setting case as its subject matter, freedom of speech, is relevant to this day, especially in the ever changing political climate
Explanation:
The outcome of Tinker v. Des Moines determined that student's do not lose their first amendment right to free speech on school grounds, and it's unconstitutional to limit a students speech as long as it's not harming anyone.
<span>Sinking of the Lusitania
May 7, 1915
American gov said stop unrestricted warfare
germans said okay</span>