Biology, 23.03.2020 18:28, sanociahnoel

The thick arrow points to which part of the chloroplast?

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Biology, 21.06.2019 18:00, nkennaachilefu

Which events are likely to be catastrophic to an ecosystem? select the three correct answers. a-hurricane. b-steady population growth. c-seasonal flooding. d-introducing of an aggressive invasive species. e-tsunami.

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Biology, 22.06.2019 09:00, sidneydominguez2323

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.

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Biology, 23.06.2019 06:00, lexirandall19

Which of the following was a social cost associated with the development of the internal combustion engine used in most cars? a. people were able to use their horses for new tasks. b. new jobs were created. c. blacksmiths needed to gain new skills to continue working. d. families were able to travel farther more easily.

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Biology, 23.06.2019 06:30, starswarsfan

(asap! big points! ) an unknown substance is heated from 10 °c to 25 °c. the table below shows the state of the substance at different temperatures. first row: time (minutes) second row: temperature of liquid (degrees celsius) third row: state of matter 0 10 solid 2 15 solid 4 17 6 17 8 17 10 23 liquid 12 25 liquid which statement is correct about the unknown substance? a. its melting point is 17 °c. b. its melting point is 15 °c. c. the substance sublimes at 15 °c. d. the substance exists as a gas at 17 °c.