The development of the calander shows they can divde the number of minutes hours days month etc in a year. Development of the pyramids shows geometry and engineering. look up to make sure.
i don’t get why u did this but i’ll still answer
1) Hunting: People can over-hunt a species killing too many of them too fast.
2) Global warming: A place can get to hot for them to survive their anymore like coral reefs for example.
3) Destruction of habitats: This can leave animals defenseless and open to attack.
This layer of soil is called the A horizon.
The correct answer for the question that is being presented above is this one: " drier and cooler." Ocean currents that upwell near Southern California can make the climate drier and cooler compared to coastal areas that do not have upwelling.