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Answer:
there are many..
Explanation:
wheel and axel are two type of forces in simple macine
Answer:
Ectoderm
Explanation:
Of the three primary germ layers in the very early embryo, the ectoderm is the one that gives place to the epidermis (epidermic skin cells).
The mesoderm will develop into muscle and bone, while endoderm turns into the lungs, stomach and other organs.
Its characteristic is the high temperature and the division of two seasons: rainy in summer and dry in winter. In regions affected by this type of climate, it is not possible to notice the change of seasons.
Evan is a substance produced by a living organism which acts as a chemical symbol en
Explanation:
enzyme is produce by a living organism which acts as a catalyst to bring about a specific biochemical chemistry
