True or False: 11
7. Earth's orbit lasts about 365 days.
8. Light from the Sun transfers energ:
to Earth.
9. The Earth orbits the moon.
10. The Earth rotates on an axis.

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.