Compare salt marshes and mangrove forests and explain why mangrove forests are such critical habitats on high energy coasts.

Why is there friction between objects

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f