Out of that list, the concave mirror is the only item that can concentrate sunlight and heat into a small area. But if you could get ahold of a convex lens, that would be even better.
If you've ever mixed water and oil together,you've probably noticed that the oil rises to the top and the water stays at the bottom-- no matter how much you try to shake them. This is because oil is less dense than water, making it float to the top. The molecules in oil are larger than those in water, so they don't pack as tightly together as they do in water. In a mixture of oil and vinegar, the<span> </span>oil <span>floats on the </span>vinegar/<span>water mixture, while the solids sink to the bottom. So, if one material floats over another, the material on top is less dense.
Let me know if this helps! :)</span>
Your answer is 3 ( 1 calcium atom and 2 bromine atoms)
The answer is B, because oxygen and sulfur are in the same group (group 6A)
Using a punnet square,
h h
H Hh Hh
h hh hh
The offspring will be 50% Heterozygous dominant and 50% homozygous recessive.
