Which geographic factor has most affected the environment in Northern Africa

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

Why do farmers in different regions use different farming techniques

Two stars are the same temperature, but one is twice as large as the other. the larger star is likely the smaller star. (2 points) select one: a. dimmer than b. the same brightness as c. brighter than d. a different color than