Rivers change the landscape through erosion are large bodies of contained water usually begin in low-lying valleys are usually found near the poles

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Which genetic disorders, caused by an extra x chromosome (xxy), is characterized by a lack of testicular development in males, effeminate features, possible mental impairment, and a thin stature?

Which charactistic is a property of water ?