Answer:
1. producers would be things like plants if those were removed we would have no oxygen and herbivores would have no food
2. an area of all of the living things
3. Food chains overlap. They connect to form a food web
4. can threaten the plants and animals that originally made up the ecosystem
5. Human activities that can disturb ecosystems include polluting and clearing land for farms or buildings
6. producer, consumer and decomposer
7. Decomposers break down the waste products and dead tissue of plants and animals. They return nutrients to the soil.
Explanation:
Answer:
I am a grade six student but I am very interested in chemistry
Explanation:
I sorry but this is NOT chemistry
Answer:
Mice
Explanation:
Small, rodent-like mammals, such as voles and mice, are the primary prey for many owl species. An owl's diet may also include frogs, lizards, snakes, fish, mice, rabbits, birds, squirrels, and other creatures. Occasionally, Great Horned Owls might even find skunks tasty enough to eat.
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Answer:
1.2×10²³ atoms.
Explanation:
Data obtained from the question include:
Mole of propanone = 0.20 mole
Number of atoms of propanone =.?
From Avogadro's hypothesis, we understood that 1 mole of any substance contains 6.022×10²³ atoms.
This implies that 1 mole of propanone also contains 6.022×10²³ atoms.
Thus, we can obtain the number of atoms in 0.20 mole of propanone as illustrated below:
1 mole of propanone contains 6.022×10²³ atoms.
Therefore, 0.20 mole of propanone will contain = 0.2 × 6.022×10²³ = 1.2×10²³ atoms.
Thus, 0.20 mole of propanone contain
1.2×10²³ atoms.