Avolcanic eruption takes place in a location. lava flows down the volcano unto human habitation. it blocks the flow of a river and makes it change its path. which earth systems interact during this process? geosphere, atmosphere, and biosphere hydrosphere, geosphere, and biosphere atmosphere, geosphere, and cryosphere biosphere, cryosphere, and hydrosphere

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

Classify this reaction: 2al+n2-> aln.

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull