Answer:
The correct answer would be B. Controlling coordination in the body.
Central nervous system is one of the parts of nervous system that includes brain and spinal cord.
The brain is located in the skull and serves as the controlling and processing center of the body. For example, visual processing takes place in occipital lobe of the brain, planning, reasoning, speech, movement, emotion et cetera are processed in frontal lobe of the brain.
The spinal cord is attached to the brain through brain stem. It connects the central nervous system with peripheral nervous system. It also in regulation of reflex actions.
The 38 elements in groups 3 through 12 of the periodic table are called "transition metals". As with all metals, the transition elements are both ductile and malleable, and conduct electricity and heat.
Or
eukaryotic?
Answer: Prokaryotic. Because their unicellular.
Answer:
Prokaryote
Explanation:
organism that eaten by others animals are called_
organisms eaten by other animals are called carnivores
i think forest butterflies are always brown because this helps them hide from their predators
The difficulties that a cell faces as it increases in size are a reflection of the fact that cells are complex systems.
As a cell increases in size, it faces a number of difficulties. These include:
Diffusion: As a cell gets larger, the distance between the cell membrane and the center of the cell increases. This makes it more difficult for nutrients and oxygen to diffuse into the cell, and for waste products to diffuse out of the cell.
Surface area to volume ratio: The surface area to volume ratio is a measure of how much surface area a cell has relative to its volume. As a cell gets larger, its surface area to volume ratio decreases.
This means that the cell has less surface area to exchange nutrients, oxygen, and waste products with its environment.
Cytoskeleton: The cytoskeleton is a network of fibers that provides support and structure for the cell. As a cell gets larger, the cytoskeleton must become more complex and stronger in order to support the increased weight and volume of the cell.
Organelle function: As a cell gets larger, its organelles must also become larger and more numerous in order to meet the increased metabolic demands of the cell. However, there is a limit to how large and numerous organelles can become before they become inefficient or even dysfunctional.
For all of these reasons, there is a limit to how large a cell can grow. Once a cell reaches a certain size, it becomes more efficient for it to divide into two smaller cells.
This allows the new cells to have a more favorable surface area to volume ratio and to have more efficient access to nutrients and oxygen.
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The correct answer is (C) Erupting volcanoes release many toxic gases.
Air pollutants are gases that harms the environment and human health. Some air pollutants come from volcanic eruption are toxic( like sulphuric acid) and harm our health. Volcanic eruption produce soot and ash into the atmosphere , which reduces sunlight and lowers temperatures. Eruption also produce carbon dioxide, carbon monoxide and other polluting gases
Some other examples of natural air pollutants are:
1. Radon is a radioactive gas that seeps from the ground in some areas, and fog and mist are both dense water vapor at ground level that obscures vision. 2. Ozone, a chemical formed naturally by the action of sunlight on oxygen, is a pollutant at ground level but beneficial in the upper atmosphere. It damages plants and causes breathing problem in the lower atmosphere.
OB. A smaller ion
OC. A covalent bond
OD. An ionic compound
Answer:D. An ionic compound
Explanation:
An ionic compound by a complete transfer of valence electrons from an atom of a metal to an atom of a non metal so that both can attain a stable duplet or octet structure of noble gases. Potassium has 19 electrons with one valence electron while chlorine has 17 electrons with 7 valence electrons. Potassium will transfer its valence electron to chlorine atom, resulting in potassium having one positive charge and chlorine have one negative charge with both attaining a noble octet structure of noble gases. The compound formed is an ionic compound because it involves a positively charged potassium ion and a negatively charged chloride ion.
Answer:
OD.
Explanation:
BECAUSE THE BOND WAS IONIC AND IT'S FORMING A COMPOUND OF ELEMENTS SORRY 4 THE CAPS LOCK THE BUTTON'S JAMMED