Which of the following describes what happens on March 21st?
autumnal equinox
summer solstice...
Biology, 25.12.2020 23:40 corvettapj6583
Which of the following describes what happens on March 21st?
autumnal equinox
summer solstice
vernal equinox
winter solstice
Answers: 3
Biology, 22.06.2019 01:00
Nucleic acid certain protein cell membranes certain carbohydrates
Answers: 1
Biology, 22.06.2019 02:00
1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area
Answers: 2
Biology, 22.06.2019 13:00
Plant species a has a diploid number of 12. plant species b has a diploid number of 16. a new species, c, arises as an allopolyploid from a and b. the diploid number for species c would probably be a) 12. b) 14. c) 16. d) 28. e) 56.
Answers: 1
Biology, 22.06.2019 15:30
Por qué crees que los huevos con cáscara se llaman amnióticos?
Answers: 1
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