EARTH AND SPACE

Science Bowl Question

📅 NSB 2011 Set 4🎓 HS🔄 Round 5#️⃣ Question 5❓ Toss-Up📝 Multiple Choice

In the last 4 billion years, the average brightness of the Sun has:

W) Increased

X) Decreased

Y) Stayed the same

Z) Increased, then decreased

✔️Answer:W) INCREASED

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