Answer: Vernal equinox(about March 21): day and night of equal length, marking the start of spring. Summer solstice (June 20 or 21): longest day of the year, marking the start of summer.
vernal = spring
solstice = summer
The mesenteric veins and the hepatic portal vein
Answer:
Gentle souls are often disguised by rough exterior
Explanation:
Answer:
Matter is conserved because atoms are conserved in physical and chemical processes. As complex as the water cycle is, water molecules are conserved and endlessly recycled in nature. Conservation of mass is a physical law that s never broken.This cycle continues with no loss of water.
Phylogeny has to do with the history of the evolution of a species or a group, usually represented in the form of a phylogenetic tree. Since it studies evolution, it is only natural it could give us some kind of reliable information about the existence of life on Earth and how it all came to be.
