Answer:
They consist mainly of iron-nickel metal with small amounts of sulphide and carbide minerals. During the decay of radioactive elements in the early history of the solar system, many asteroids melted and the iron they contained, being dense, sank to the centre to form a metallic core.
Explanation:
Hope this helps luv
A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Hope I’ve helped ;)
Answer:
ancient organism remains, fossil layers, similarities among organisms alive today, similarities in DNA, and similarities of embryos.
1. Cranial roof & cranial base
2. Frontal bone, parietal bone, temporal bones, occipital bone, sphenoid bone, ethmoid bone
3. Inferior tribunal (2), lacrimal bones (2), mandibal, maxilla(2), nasal bones (2), palatine bones (2), vomer, zygomatic bones (2)
(1) Effects of large families on child development. (2) The educational problems. (3) lags in the new technology. (4) Increased inequities in agriculture. (5) Unemployment and underemployment.
