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Which of the following are disadvantages of fossil fuels? Choose all that apply.

The combining of small nuclei to form a larger nucleus is called [a], while the splitting of large nuclei into smaller ones is called [b].

Nitrogen-13 is a radioactive isotope, which means it spontaneously [a]. In so doing, it [b] energy.

What is another name for an anti-electron?

What particle that can we detect here on Earth that comes directly from fusion reactions in the core of the Sun?

The first nuclear weapons ever built were powered by [a].   The most powerful nuclear weapons ever built are powered by [b].

Plutonium-238 (Pu-238) has a half-life of 88 days. Consider a sample containing 10 kg of Pu-238. How much Pu-238 will still be in the sample 176 days from now?

Suppose a particle has mass 1 amu and charge -1e. Its antiparcticle would have mass [a] and charge [b].

A 63-year-old homeless patient with known history of intravenous (IV) drug use is being seen by the AGACNP in the clinic with complaints of chest pain that worsens on inspiration, shortness of breath, and temperature of 101.2oF. On exam, you are able to appreciate a III/IV diastolic murmur LUSB. Which diagnosis is most likely correct?

Which of the following would not be considered one of the “classic triad” of findings associated with meningitis?