The average distance is 16,000 km
Converging rate is 10 cm/year
1 km = 100,000 cm
= 16,000 × 100,000/10 cm/year
= 160,000,000 years
It will then take 160 Million years to collide.
Answer:
d num have broad and flat bodies
Nicotine, once in the brain, will work specifically on nicotinic receptors in the brain. However, there is a common "addiction" pathway in the brain that pretty much all addictive substances go through.
Th answer is connective
tissue. Bone tissue is made up of
different types of bone cells. Osteoblasts and osteocytes are involved in the
formation and mineralization of bone; osteoclasts are involved in the
resorption of bone tissue. The mineralized
extracellular matrix of bone tissue has an organic component mainly made of collagen (ossein) and an
inorganic component of bone mineral made up of various salts such as calcium.
I think it’s B but I’m not sure