In physic speed is defined to as scalar quantity which is defined to as the rate at which an object covers object. The speed of an object is the magnitude of its velocity. spend has no direction and is measured how a object move relative to a reference point.
Answer:
Excitement
Explanation:
Sympathetic nervous system is a type of autonomic nervous system that acts as an emergency system of the body.
Sympathetic nervous system prepares the body during fight and flight response. The energy is put out in this system and protects the body from the injury. During excitement the heart speeds up, blood pressure increases and more energy is available to the body. Hence, excitement is the characteristic of sympathetic division of nervous system.
Thus, the correct answer is option (b).
I would go with A) Reasonable and testable.
A decomposer breaks down and gains nutrients from dead organisms
According to the research, the seed was an organ of great importance since it fulfilled the functions of dispersion, protection and reproduction of vascular plants.
<h3>What is a seed?</h3>
In biology, it is the component of that houses the embryo that can lead to a new plant.
The seed appears when an ovule belonging to an angiosperm or a gymnosperm reaches a certain point of maturity.
Therefore, we can conclude that according to the research, the seed was an organ of great importance since it fulfilled the functions of dispersion, protection and reproduction of vascular plants.
Learn more about importance of the seed here: brainly.com/question/1057274
#SPJ1
