Image result for Is work done when you carry a book across the room at a constant velocity
Work is not done when you carry an object forward. You may have learnt that carrying an object and moving horizontally at a constant velocity has no work done. The truth is, there is a slight amount of work done due to overcoming air resistance in the horizontal direction.
How old it is compared to another specimen in relation.
Answer: genetics and mutation generate some of the variety that natural selection acts on
Explanation:
Answer:
yes dinosaurs were there
Explanation:
some fossils and skeleton models were found as proof
