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zhenek [66]
3 years ago
13

To be a useful index fossil, the organism should have been rare when it lived on Earth.

Biology
1 answer:
MrRissso [65]3 years ago
4 0
True because of the fact that index fossils help correlate and date from its origin and date of existence. basically, it is a fossil that is kept and annalized. 
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The term ____________________ describes the chemical substances that make it possible for messages to cross from the synapse of
Aloiza [94]

The term Neurotransmitter describes the chemical substances that make it possible for messages to cross from the synapse of a neuron to the target receptor.

<h3>What are Neurotransmitters?</h3>
  • Neurotransmitters are endogenous chemicals that allow neurons to communicate with each other throughout the body.
  • Chemical synaptic transmission is primarily through the release of neurotransmitters from presynaptic neural cells to postsynaptic receptors.
  • There are a number of neurotransmitters used by the body for different functions, including acetylcholine, norepinephrine, glutamate, GABA, glycine, dopamine, and serotonin.
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2 years ago
Consider the equation S + O2 ? SO2. What is the product? Question 3 options: S SO 2 S + SO 2 O 2
Keith_Richards [23]

Answer : The product in the given balanced reaction is, sulfur dioxide (SO_2).

Explanation :

The balanced chemical reaction will be,

S+O_2\rightarrow SO_2

This reaction occurs when sulfur react with oxygen gas to give sulfur dioxide gas as a product.

In the given balanced chemical reaction, sulfur (S) and oxygen gas (O_2) are the reactants and sulfur dioxide (SO_2) is the product.

Hence, the product in the given balanced reaction is, sulfur dioxide (SO_2).

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3 years ago
Science Can some one check my answers please Question 1
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Answer:

no your 1st answer is wrong it must be a deer beacause it affects the food chain of many carnivores.

Explanation:

  1. d
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