A El Niño is caused by
ocean currents
b. the isolation of continents
c. orography
d. all of the above
Please select the best answer from the choices provided
A
B
С
D

*will mark brainliest for first correct answer* which of the following is most likely to affect the biodiversity of a park ecosystem? a. less rain than usual for several months b. ongoing pollution from a nearby factory c. park rangers plant a new type of tree d. disease wipes out an entire population

2. which is the last step in the scientific method?

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii