SAT, 30.11.2021 21:40, JayLiz1737
Hydrogen gas is collected over water in an inverted buret. If the atmospheric pressure is 745 mm hg, and the vapor pressure of water is 18 mm hg, what is the pressure of the hydrogen gas?.
Answers: 3
SAT, 23.06.2019 12:00, rainbowboi
All of the following are examples of service-learning opportunities except: a. donating time to senior citizen war veterans and writing a report about the experience for your u. s. history class. b. getting a part-time job at a habitat restoration center. c. reading to second-grade students as part of your assigned reading time for your english class. d. planting trees in your community and then discussing global warming in your science class.
Answers: 1
SAT, 26.06.2019 05:00, igtguith
Which statements are true for invasive species? 1. they always stabilize an ecosystem. 2. they’re always successful in adjusting to a new habitat. 3. they often compete with the native species for resources. 4. they have the ability to displace the native species. 5. they’re always pests.
Answers: 1
SAT, 27.06.2019 11:00, nickname0097
Nathan is an ecologist. he’s studying the effect of secondary consumers on primary consumers. his current research focuses on a population of blue jays and crows. they eat caterpillars and mice. if the number of blue jays increases, what are the likely effects on other populations? 1the number of crows will increase. 2the number of mice will decrease. 3the number of mice will remain the same. 4the number of caterpillars will decrease.
Answers: 2
Hydrogen gas is collected over water in an inverted buret. If the atmospheric pressure is 745 mm hg,...
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