How many fossils have been discover on earth?

In spite of the difficulties of preservation, billions of fossils have been discovered, examined, and identified by thousands of scientists. The fossil record is our best clue to the history of life on Earth, and an important indicator of past climates and geological conditions as well.

Explanation:

The first fossil ever found was an archaeopteryx (ahr-kee-op-tuh-riks) fossil. It was found in Bavaria in 1861. An archaeopteryx is a bird-like dinosaur that could be found 150.8 million years ago to 125.45 million years ago.

Explanation:

explanation:

there are two statements that are incorrect.

1. the marshall plan was a lend lease program. it was an economic plan that europe redevelop itself after wwii.

2. einstein didn't really do anything to further the allied cause in building the bomb. he merely sent a letter to fdr telling him (in 1939) that if the united states entered the war, perhaps it would be wise to build the bomb before germany did. i would say this answer is incorrect, but when america entered the war 2 years later, fdr thought it might be a good idea to take einstein's advice.

the 4th choice is definitely so wrong that is likely the single answer of this question

cruel, heartless

explanation: