Answer the following question given this paragraph: An element is the basic chemical building block of matter; it is the simplest chemical substance. Q: What is the basic chemical building block of matter; it is the simplest chemical substance? Choices: - atoms - helium - hydrogen - element A:
element
Answer the following question given this paragraph: Echinoderms are named for their "spiny skin. " However, the spines aren't on their skin. They are part of the endoskeleton. The endoskeleton consists of calcium carbonate plates and spines, covered by a thin layer of skin. Adult echinoderms have radial symmetry. This is easy to see in the sea star and sand dollar in Figure above . However, echinoderms evolved from an ancestor with bilateral symmetry. Evidence for this is the bilateral symmetry of their larvae. Q: What type of organism, including sea stars and sand dollars, is named for their spiny skin? Choices: - mollusks - diatoms - chordates - echinoderms A:
echinoderms
Q: Answer the following question given this paragraph: Q: What kind of conditions are often inherited as simple recessive traits? Choices: - genetic diversivers - genetic ratios - genetic neurotransmitters - genetic disorders A:
A: genetic disorders
Question: Answer the following question given this paragraph: E XA MP L E 1 1. The most common carbon atoms have six protons and six neutrons in their nuclei. What are the atomic number and the mass number of these carbon atoms?. Q: The most common carbon atoms have six protons and six neutrons in their what? Choices: - ribosomes - neuron - membrane - nuclei A:
Answer: nuclei
*Question*
Answer the following question given this paragraph: Light is emitted by atoms that have been excited by thermal excitation, electron collision, or collisions with photons of exactly the right frequency. Light is emitted by an incandescent source at many different wavelengths and in all directions. Light produced by an atomic gas consists of only a few different wavelengths but still in all directions. Both of these light sources produce light waves that are not in step or at the same point in their cycle. Groups of light waves that are not at the same point in their cycle are called incoherent light . Q: What is emitted by atoms that have been excited by thermal excitation, electron collision, or collisions with photons of exactly the right frequency? Choices: - electricity - gravity - radioactivity - light A:
**Answer**
light
Answer the following question given this paragraph: Monatomic ions have an oxidation number equal to their charge. Li + has an oxidation state of +1, Ba 2+ has an oxidation state of +2, I - has an oxidation state of -1, and so on. Q: Monatomic ions have an oxidation number equal to their what? Choices: - size - cost - length - charge A:
charge