The image shows a dam on the Yakima River in Washington. What effects have this and other dams had on the state’s environment? Check all that apply.

They block migratory fish from swimming upstream.
They change natural habitats.
They help migratory fish swim upstream.
They improve natural habitats.
They cause streams and rivers to flow at lower levels.
They widen downstream areas.

Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

cutt.ly/zxt1ipy

the california missions began in the late 18th century as an effort to convert native americans to catholicism and expand european territory. there were 21 missions in all, lasting from 1769 until about 1833.   the missions were built by the spanish starting in 1769 in order to “colonize” the territory of alta california. so the missions were important because they were the means of settling california. it also wanted to keep other european countries out of alta california. building settlements along the coast would them meet these goals. missionaries wanted to convert the indians to the roman catholic faith. california indians did much of the work to build missions.