From implantation through the 8th week, the major body organs and systems become differentiated. This stage of pregnancy is called the period.

Embryonic Period

Explanation:

The embryonic period also known as the stage of pregnancy and it will be prepare in Eight week. The heart is the principal organ to frame during advancement of the body. At the point when an undeveloped organism is comprised of just a not many cells, every cell can get the supplements it needs legitimately from its environment  The early stage arrange keeps going from implantation (2 weeks) until the eighth seven day stretch of pregnancy. During this stage, fast development happens and organ frameworks create.  This period is commonly separated into three phases such as  the germinal stage, the early stage organize, and the fetal stage. \The fourteen day time frame after origination is known as the germinal stage.  33 weeks of pregnancy the infant's cerebrum and sensory system are completely evolved.

4. Ancient sandstone beaches become buried deep beneath the Earth’s surface, where they are exposed to extreme heat and pressure.

Explanation:

Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.