When you clear water from a mask with a purge valve, you tilt your head: ?

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

What is the relationship between absorbance of light and the rate of photosynthesis?