What was the first county to successfully launch a satellite and place it in and earth orbit?

Plants can have a positive and negative effect on the rate of weathering

Because north america is in a it has a variety of biomes and climates. a. high latitude zone c. middle latitude zone b. middle longitude zone d. high longitude zone select the best answer from the choices provided a b c d

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d