The portion of Earth underneath the crust containing the asthenosphere and the mesosphere is the . A
mantle

B
core

C
tsunami

D
magma

The portion of Earth underneath the crust containing the asthenosphere and the mesosphere is the mantle

A option mantle is correct I guess

hope this helps u

a few examples of ethical concerns involving genetically engineering of humans include

-privacy of genetically tested people

- potential side effects

-long term effects

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation: