Answer:
seasons are caused by revolutions. hope this helps
During the rock cycle igneous rock is weather into metamorphic rock
Answer:
Embryo
Explanation:
An embryo refers to the early stage of development of a multi-cellular organism and it occurs just immediately after fertilization. This development often continues through the formation of cell, tissues, organs.
An embryo is formed from the fertilization of a female ova by a male sperm.
Phages are a positive use of viruses