The hypothesis that simple organic molecules could form spontaneously from inorganic molecules in the early Earth's atmosphere was first proposed by

Miller and Urey

Charles Darwin

Watson and Crick

Oparin and Haldane

Which object has a varying speed? a bird flying at 10 m/s for 10 seconds a car slowing from 60 m/s to 0 m/s a car traveling the speed limit a fish moving at 2 m/s for 5 minutes

Which two minerals are commercial sources of iron. explain why the answer is a?

A bridge is made with segments of concrete 91 m long (at the original temperature). If the linear expansion coefficient for concrete is 1.

An oscillating LC circuit consists of a 61.5 mH inductor and a 3.77 μF capacitor. If the maximum charge on the capacitor is 3.

The four terrestrial planets that have solid, rocky surfaces are. A. Mercury, Venus, Earth and Mars B. Mercury, Jupiter, Saturn and Mars. C. Mars, Venus, Earth and Jupiter D. Mercury, Venus, Jupiter and Mars

A rock is thrown from a cliff and hits the ground five seconds later at a distance of 50 m from the cliff how high was a cliff

A 15.0 m long plane is inclined at 30.0 degrees. If the coefficient of friction is 0.426, what force is required to move a 40.0 kg mass from rest at the bottom on the plane to the top of the plane with a final velocity of 8.00 m/s?

In a pig-calling contest, a caller produces a sound with an intensity level of 60 db. how many such callers would be required to reach the pain level of 120 db? 2 incorrect: your answer is incorrect.

Why is the use of scientific names important in biology?

1) what is a calorie?