Question 4 Which of the following is NOT a service that diverse ecosystems provide?
O Soil & nutrient retention
O Diversity of food items
O Water retention
O Animal habat
O Global warming​

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory

9. the history of life on earth is recorded in