What is a reason that many organisms that have existed on earth have left no fossils

In an experimental investigation, the variable that the researcher changes or manipulates in order to see its effects is called the?

Which of these physical features is not located on the south american continent? which of these physical features is not located on the south american continent? brazilian highlands the sahel andes mountains amazon basin patagonia?

Which statement describes summer in the Northern Hemisphere? a) The sun's rays grow less direct. b) The South Pole is tilted toward the sun. c) The sun appears directly overhead. d) The North Pole is tilted toward the sun.

How did the largest earthquake in Chile caused 200 people to drown in the east coast of japan

Which of the following settlement types is likely to use the largest percentage of land space for residences

Iron atoms combine with oxygen atoms to form rust. Is this a physical property of iron or a chemical property?

Kerri drive 310 miles in 5 hours at a constant speed. A) at what constant speed was Kerri driving? B) How long would it take her to drive 403 miles at the same speed?

Which tectonic plate pushes against the Eurasian plate to form the alps and other geographical features

Which of the following areas would most likely have the greatest amount of surface runoff? low, flat plain sandy beach steep mountainside V-shaped valley

Which of the following is a reason why Hartsfield-Jackson International Airport provides so many jobs to Georgians? A) It is required to hire many people because it receives tax money for its operations.