Answer:
The most common fungal diseases of fish are saprolegniasis, disease caused by Achlya, branchiomycosis, epizootic ulcerative syndrome (EUS) and ichthyophoniasis
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Answer:
Some animals weather rocks by scraping them as they feed. Other animals change Earth's surface by burrowing into it and moving material. Too many animals in one place can destroy most of the plants, leading to faster erosion.
If too many animals graze the same land area, the animals’ hooves pull plants out by their roots. A land is overgrazed if too many animals are living there. Grazing animals can cause erosion if they are allowed to overgraze and remove too much or all of the vegetation in a pasture.
Explanation:
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Question: When an atom that has no charge loses two electrons, it becomes a:
A: positive ion.
B: negative ion.
C: positive isotope.
D: negative isotope.
Answer:
When an atom that has no change loses two electrons, it becomes "positive ion".
Explanation:
It is known that electrons hold a negative charge. So, when the negative charge that is electrons are taken out an atom then the number of electrons become less in number as compared to the number of protons. Hence, the atom attains a positive charge.An isotope is formed when an atom shows same number of protons and different number of neutrons. So, when an atom loses 2 electrons there will be no change in the number of neutrons. Therefore, an isotope will not form.Thus, it is concluded that when an atom with no charge loses two electrons, it becomes a positive ion.
Answer:
Whether it's practical (like washing machines, tumble dryers, refrigerators) or for leisure (like televisions, Blu-ray players, games consoles), all these things are examples of technology.
Explanation:
Answer;
A. the place on Earth's surface directly above the focus
An earthquake's epicenter is the place on Earth's surface directly above the focus.
Explanation;
-Epicenter is the point on the surface of the Earth that lies directly above the hypocenter or the focus of the earthquake. A hypocenter or the focus of the earthquake is the place within the earth where rock ruptures and slips, or the place where an explosion occurs. An earthquake is an episode of ground shaking.