The explosion of a supernova typically leaves behind
a. a planetary nebula.
b. a shell of hot, expanding gas with a white dwarf at the center.
c. a shell of hot, expanding gas with a pulsar at the center.
d. nothing is ever left behind.
C
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Energy in Capacitors: An ideal parallel-plate capacitor consists of two parallel plates of area A separated by a distance d. This capacitor is connected to a battery that maintains a constant potential difference across the plates. If the separation between the plates is now doubled, the amount of electrical energy stored on the capacitor will
A. double. B. quadruple. C. be cut in half. D. be cut in fourth. E. not change.
One type of early protocell (pre-cells) probably consisted of small droplets of
A) water B) clay C) concentrated amino acids D) nucleic acids
The modern-day organisms that seem oldest, in an evolutionary sense, are microbes that
live in the hot water around volcanic vents on the ocean floor. Indicate whether the statement is true or false
Describe the Deep Impact and Stardust missions and what they were designed to achieve
What will be an ideal response?