If you know this please help me and explain why

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils