Why is it warner on Jun 21 St?​

because the son rotates closer during sumer

Explanation:

hope that helped

June 21st is the date where there is the maximum amount of direct sunlight in the Northern Hemisphere (meaning that there's the longest period of solar radiation reaching Earth and warming it).

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

happy to

pls mark as brainliest

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation