How do changes in wind currents affect the short-term climate in a region?

Embryos of different species look very similar, which shows that the organisms share a ancestor.

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon