Please help ASAP! Which of the 4 strategies is best and why?

1) Curved sea walls

2)Rock Armour

3)Beach replenishment

4)Nothing Coastal Management

What is the famous rainforest in costa rica called?

In a constitutional monarchy, the king or queen a. is a symbol of the nation b. runs for office c. controls the legislative branch d. has absolute control

What can you learn about precipitation levels in south america from this map? brazil is experiencing a drought.it rains more in higher altitudes.peru received the highest level of rain.venezuela got less than 25 cm of rain.