Four of the five answers listed below are names of kingdoms. Select the exception
a. Animalia
b. Protista
c. Eukarya
d. Fungi
e. Plantae
c
You might also like to view...
Why don't all supernova remnants contain pulsars?
a. All supernova remnants do contain pulsars. b. Some supernova explosions form white dwarfs instead of the neutron stars necessary for pulsars. c. Pulsars slow down and quite producing the pulses before the supernova remnant dissipates. d. The pulsar may be tipped so that the beams do not sweep past Earth. e. b and c above.
Why can't current theories describe what happened during the Planck era?
A) We do not yet have a theory that links quantum Wmechanics and general relativity. B) We do not understand the properties of antimatter. C) We do not know how much energy existed during that time. D) It was a time period from which we cannot receive radiation. E) The Planck era was the time before the Big Bang, and we cannot describe what happened before that instant.
A projectile is fired from point 0 at the edge of a cliff, with initial velocity components of v0x = 60.0 m/s and v0y = 175 m/s, as shown in the figure
The projectile rises and then falls into the sea at point P. The time of flight of the projectile is 40.0 s, and it experiences no appreciable air resistance in flight. What is the height of the cliff? What will be an ideal response?
A radioactive material initially is observed to have an activity of 1000 decays/sec. If nine hours later it is observed to have an activity of 125 decays/s, what is its half-life?
a. 1/2 hour c. 3 hours b. 8 hours d. 1 hour