2points
what is a water molecule made of?
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a. one carbon atom and four hydrogen...
Answers: 1
Biology, 21.06.2019 15:50
Which term best describes a community in which people work mostly in factories? a.agricultural. b.hunting and gathering. c.domesticated. industrial.
Answers: 2
Biology, 21.06.2019 19:00
The model illustrates a process by which a substance is taken up by a cell
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Biology, 22.06.2019 02:00
Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment
Answers: 1
Biology, 22.06.2019 05:20
Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.
Answers: 3
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