Answer:
3x + (2x + 4) is equivalent to (3x + 2x) + 4
HOPED THIS HELPED YOU OUT
A brainliest is always appreciated.
Explanation:
Allowed priests to make judgements.
That it would take light 7.4 years to travel through space.
Because Cyanobacteria appeared
Cyanobacteria's excrement formed a lot of oxygen in the atmosphere which make the earth temperature cold
This allow a liquid water to formed on the surface ( because if the temperature is too high, the water will evaporate) and eventually formed oceans
Over the past million years, Earth's globally averaged surface temperature has risen and fallen by about 5˚C in ice-age cycles, roughly every 100,000 years or so (Figure 2.1a).