The Drake equation allows us to estimate the number of
A) intelligent civilizations that have existed in our galaxy during its entire lifetime
B) habitable planets on which life has arisen
C) intelligent civilizations capable of traveling to the Earth
D) intelligent civilizations capable of communicating in our galaxy now
Question 2
A mine railroad car, of mass 200 kg, rolls with negligible friction on a horizontal track with a speed of 10.0 m/s. A 70. kg stunt man drops straight down a distance of 4.0 m, and lands in the car.
How fast will the car be moving after this happens?
Number of lower molar cusps is one of the features used to distinguish sundadonts from sinodonts.
How to multiply a complex number by its conjugate
Atomic Number and Mass Number
Mayan Number
Write a net ionic equation for the precipitation reaction that occurs.
Directions: Fill in the correct number or word(s). Order: Lantus U-100 insulin 68 units subcut ...