What is the body first line of defense against pathogens

What is the only hemisphere in which Antarctica has no land?-Miku

Where dose the nile river begin

Is this conditional true or false? If a year has 366 days, then it is a leap year. false true

What aspects of Japan's physical geography put it at risk for earthquakes and tsunamis?

Which of the following statements is true? Organic sedimentary rocks are made of mineral crystals. All sedimentary rocks contain weathered rock and sediment. Stalagmites and stalactites are examples of chemical sedimentary rock.

Prior to European Contact - As native populations migrated and settled across North America overtime, they developed distinct and increasingly complex societies by adapting to and transforming their diverse environments.

Briefly describe three of the theories scientists have proposed to explain natural climate changes.

Is a garnet magnetic

The littoral is a zone identified in lakes and ponds and is the coldest because it is shallow and lacks nutrients to support life. True or False

What was the Bangladesh formerly know as?