The sea level of mexico city is 7382.
All animals! they can Improve Your Soil! Compost returns valuable nutrients to the soil to help maintain soil quality and fertility. Compost is a mild, slow release, natural fertilizer that won't burn plants like chemical fertilizers. ... Provides organic matter and nutrients which will improve plant growth and lead to better yields.
Land, labor, capital, entrepreneurship
Domestication of plants and animals.
Differences between mammals and animals are:
• Animals could be either ectothermic or endothermic, but mammals are always endothermic.
• Only mammals have hairs on the skin out of all the animals.
• Only mammals have mammary glands and sweat glands out of all the animals.
• The most sophisticated heart and the circulatory system are present in mammals out of all the animals.
• Mammals have more complex living habits (e.g. human) than other animals.
• Number of mammals is only a fraction compared to the rest of the number of animals.
• Some mammals are capable of singing, but other animals are not.