The ice has less density than liquid water, so it floats on the water surface. Therefore during the winter all the lakes and rivers are frozen only at a top. Deeper layers of water are cold, but still liquid and it allows fish and other organisms to survive. Moreover, the ice cover provides temperature isolation so liquid water beneath the ice has more or less constant temperature (around 4 dgr Celsius)
May we have the choices but i will say human impact
The correct answer is (a) Poverty stricken people are less able to enjoy society's benefits.
The benefits of society includes many facilities such as financial benefits, or assistance for education, assistance for unemployment and many more. The poor people lack these kinds of facilities because they do not belong to a proper commodity that are served by these kinds of facilities. These kinds of facilities are only enjoyed by the elite class of the society.
I’m not too sure I think it’s A
Tiktaalik roseae was discovered in sediments on Ellesmere Island in Nunavut, Artic Canada (Ahlberg and Clack, 2006). The sediments it was found in are from what is known as the Fram Formation, which is thought to be deposits of lowland streams (Murphy, 2005). hope it helps
