Which of the following is a convection from chemical energy and thermal energy
A. coal is burn...
Answers: 2
Biology, 21.06.2019 16:30
Ascientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the
Answers: 1
Biology, 22.06.2019 15:30
When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.
Answers: 2
Biology, 22.06.2019 23:30
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the correspondingbones in whales have very different shapes and proportions. however, genetic data suggest that all three kindsof organisms diverged from a common ancestor at about the same time. which of the following is the mostlikely explanation for these data? a) humans and bats evolved by natural selection, and whales evolved by lamarckian mechanisms.b) forelimb evolution was adaptive in people and bats, but not in whales.c) natural selection in an aquatic environment resulted in significant changes to whale forelimb anatomy.d) genes mutate faster in whales than in humans or bats.e) whales are not properly classified as mammals.
Answers: 2
Biology, 23.06.2019 00:50
What percentage of organisms is played the dominant trait (tall) in the f2 generation? a.25% b.100% c.75%
Answers: 1
Mathematics, 30.01.2020 13:04
Chemistry, 30.01.2020 13:04
English, 30.01.2020 13:04
History, 30.01.2020 13:04
Geography, 30.01.2020 13:04
Mathematics, 30.01.2020 13:04
Computers and Technology, 30.01.2020 13:04
Mathematics, 30.01.2020 13:04