Answer;
C. it is the part f the atom with the greatest mass
Explanation;
The nucleus of an atom is a small dense region at the center of an atom that contains protons and neutrons.
Almost all the mass of an atom is located in the nucleus, with a very small contribution from the electron shells.
The protons are positively charged which gives the nucleus a positive charge while the neutrons have no charge.
Answer:
It's option A- Solid
Explanation:
Solids have definite shape and volume.
Answer: Option B.
Neural crest and peripheral nervous system.
Explanation:
Neural crest are bilateral paired cells of the neural tube that arise from the ectoderm layer of the embryo. Thesescells move to different part of the body and differentiate into various cell types like melanocytes,cartilage and bone, smooth muscle, craniofacial, neurons, gangalia e.t.c. The neural crest running through neural tube develop into peripheral nervous system after birth. Peripheral nervous system consist of neurons and gangalia outside the nervous system The peripheral nervous system connect the central nervous system to organs, skin and limbs.
Answer:
1. Arch of Aorta
2. Thoracic Aorta
3. Abdominal Aorta
4. Common/external iliac artery
5. Femoral artery
6. Popliteal artery
7. Anterior tibial artery
8. Dorsalis pedis artery.
This is what I got for this question, hope this helps!!
Explanation: