The third week after conception, marks the beginning of the period. this is when the baby's brain, spinal cord, heart and other organs begin to form. a) embryonic b) fetal c) implantation d) neonate

Correct A). Embryonic

The embryonic stage in human starts at the time of fertilization and it continues till the end of 10th week of the gestation period. The germinal stage lasts for two weeks after fertilization.

Embryonic stage is the stage during, which all the major organs and structures are formed. The time from the ninth week until the birth of the baby is known as a fetal period.

A)embryonic

Explanation:

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !