The Current Scientific Explanation for the Origin of Planets,moons,asteroids,and Comets

question 38

Multiple Choice

The current scientific explanation for the origin of planets,moons,asteroids,and comets is the ________.

• A)expanding Universe theory
• B)nebular theory
• C)Big Bang theory
• D)theory of plate tectonics

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Definitions:

Zygote

The initial cell formed when a sperm cell fertilizes an egg cell, marking the beginning of a human's genetic makeup.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing fetus while removing waste products from the fetus's blood.

Outer Cells

In developmental biology, refers to the cells on the outer layer of a developing embryo, which contribute to the formation of the placenta and other structures.

Embryo

An early stage of development in multicellular organisms after fertilization and before becoming a fetus, characterized by rapid cell division and differentiation.