What causes climate fluctuations described by the Milankovitch cycles?
a. large colonies of oceanic algae
b. changes in solar radiation due to sun spots
c. minor changes in the Earth’s orbit
d. methane emissions from cattle
c. minor changes in the Earth’s orbit
You might also like to view...
In a given chemical reaction, if the free energy of formation is known for all of the reactants and each of the products, the change in free energy can be calculated for the reaction
Indicate whether the statement is true or false.
A chemical imbalance in the blood can cause the heart to stop pumping blood, which will have a detrimental effect on other organs. This observation can be attributed to:
A. Equilibrium state B. Emergent properties C. Reductionism D. Evolutionary conservation
The female gametophyte of a flower develops
within a(an)
a. stigma. b. anther. c. calyx. d. corolla. e. ovule.
How might sperm be affected if nondisjunction occurs in a male?
A) Sperm will contain only X chromosomes. B) Sperm will contain an X chromosome and a Y chromosome. C) Sperm will contain only Y chromosomes. D) Sperm will not be able to fertilize an egg.