Human activity has a great impact on waterways. Decreased amounts of vegetation leads to erosion of water banks. Increased fertilizer and nutrients levels in water from agriculture, sewage, and industry lead to the formation of algal blooms and subsequent decrease in other aquatic organisms.
IT would be 6 what is the chouces or 12
Answer: B. Buoyancy
Explanation: The asthenosphere exerts a buoyant force that pushes up against the lithosphere, and this force resists gravity. The theory of isostasy refers to an equilibrium in buoyancy between the lithosphere and the asthenosphere.
What is involved in the sacred pipe ritual performed during the sun dance ceremony?
A.
individual purification in a sweat lodge
B.
offering of prayers to the four directions, the Earth, and the sky
C.
healing of people through the use of sacred objects
D.
dancing to drumbeats while facing the sun
