عدد حلول x²+y²<=5 هو 21​

Hurricanes a. usually form over land b. usually intensify over land c. gain strength from ocean heat d. usually form over the poles

Effective charts and graphs include all of the following except 1. simple, meaningful, attractive design 2. accurate information 3.at least five different colors 5.clear presentation of information

In a river, which of the following would most likely be carried by suspension? this is called