Biology, 03.08.2019 03:30 jessica01479
Which of the following statements is true? 1. decomposition and weathering recycle matter in an ecosystem. 2. the total amount of energy in an ecosystem is always increasing. 3. primary consumers break down dead organisms into essential chemicals. 4. water is part of an open system, which means it must be continuously replenished in an ecosystem.
Answers: 1
Biology, 21.06.2019 18:40
The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?
Answers: 1
Biology, 22.06.2019 00:00
Theories basic to all of the life sciences include the germ theory of disease. theory of evolution by natural selection. o two of these answers are correct none of these answers are correct o cell theory.
Answers: 1
Biology, 22.06.2019 02:00
Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?
Answers: 3
Which of the following statements is true? 1. decomposition and weathering recycle matter in an eco...
English, 05.10.2020 14:01
Mathematics, 05.10.2020 14:01
Physics, 05.10.2020 14:01
Mathematics, 05.10.2020 14:01
Physics, 05.10.2020 14:01
Social Studies, 05.10.2020 14:01
Mathematics, 05.10.2020 14:01
English, 05.10.2020 14:01
Mathematics, 05.10.2020 14:01
Mathematics, 05.10.2020 14:01
History, 05.10.2020 14:01
Chemistry, 05.10.2020 14:01