<span>The relative age of a rock layer is the age of the rock compared to the ages of the rock layer while the actual age of the rock layer is the actual number of years that the rock was formed. The relative age of a rock is generally determined by geologists using the Law of Superposition where the youngest rock is at the top and the oldest rock is at the bottom of the horizontal layer. The actual age of a rock is generally determined using Radiometric Age Dating method that is based on the natural radioactive decay of rock elements.</span>
Answer:
D at this time of year the sun will reach its highest elevation in the sky for the NH sites
Explanation:
when you press play on the starry night simulator the earth rotates and you will see that most of the sun is in the northern Hemisphere so I guessed and it was correct.
Answer:
i think conversion of mass
Explanation:
Answer:
Fnet=F1+F2-F3=40+20-30=60-30=30N
F=ma
30N=30a
a=30/30
a=1m/s^2
Believe me , biology is another thing.