Facilitated diffusion plus cotransport mechanisms
Answer:
Explanation:
The last total eclipse in the U.S. was in 1979. And the last total solar eclipse that crossed the entire continental U.S. happened in 1918. But why? Why has it been 99 years, and why have the intervening partial and even total eclipses caught only parts of the country?
Not sure if its 100% correct but it's similar to that I think
The number of chromosomes doubles. ... offspring would be genetically identical.
Number 6 is D, However Number 7 is not humus. They are contributing to the formation of silt. Which is kind of like a fertilizer.
At high altitude, atmosphrric pressure is very high;
the partial pressures of ocygen are considerably lower,
the inhabitants must have a higher concentration of haemoglobin to increase surface area for carrying more oxygen
