Alfred Wegener noted that fossils from a particular type of reptile were found on both sides of the Atlantic Ocean. Which of the following would be the best explanation of how this occurred?
А
The reptiles swam across the ocean.
B
The Atlantic Ocean did not exist in earlier times.
с
The reptiles walked across a giant land bridge that has weathered away,
D
The reptiles walked across an ice bridge located near the equator


it enhances antibody production by t cells of the adaptive immune system.

hope i'm right

explanation:

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.