Leg bones
• long and skinny
Skull bones
• thin and wide
Many skull bones are carved. Leg bones enable walking and standing. While skull bones are designed to protect the brain.
B. It's less dense. Ice floats<span> because it is about 9% less dense than liquid water.</span>
A- Water Molds, Downy mildews and slime molds
The answer is <span>insect and pest populations decreased.
</span>
DDT (dichlorodiphenyltrichloroethane) was used as an insecticide which is a substance used to kill insects. That resulted in decrease in insect and pest populations. It is a persistent and non-degradable insecticide, but as well organic pollutant readily accumulated to soils and consequently affects organisms.
