Answer:
After being hunted almost to extinction, the humpback whale population has rebounded dramatically. Rapidly melting Antarctica ice poses a threat to coastal cities, but there is at least one species that is benefiting: Humpback whales are flourishing these days, due to an abundance of krill.
Pre-hunting population size may have been as many as 200,000-300,000 whales. They were estimated to number around 2,300 in 1998 and to be increasing between 2.4-8.4% per year. The IWC is undertaking an assessment of Antarctic blue whales at present.
The approximately number of earths surface is covered by land is 29 percent
Answer: Function
Explanation: The reason some objects or a process that occurred in a system that developed through natural selection.
Answer:
You missed the specific heat on water, that is 1 calorie/gram °C. This answer is, 0.12°C
Explanation:
The stayment says, that all of the energy from the pancake is transferred into the water, so we have to think that 61 calories are burned in the calorimeter with water. Let's apply on the formula.
Heat added = specific heat x mass x (tfinal - tinitial)
61 cal = 500. g .1 cal/g °C . ΔT
61 cal / 500 g / 1 cal/g °C =ΔT
0.12 °C = ΔT
