quincyjosiah07
19.12.2019 •
Biology
the water hydrilla is an aquatic plant that grows quickly in warm environments.
amber bought a water hydrilla plant at a pet store for her aquarium. in a few
weeks, the plant outgrew the tank. amber threw the water hydrilla in the pond
behind
her house. what will
most likely
happen?
a. the water hydrilla will grow and will other plants in the pond grow.
b. the water hydrilla will grow only if there are no other plants in the pond.
c. the water hydrilla will die immediately and will be co
nsumed by other plants.
d. the water hydrilla will grow and will use resources needed other
plants in the pond.
Solved
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Ответ:
The option which s correct is D) The water hydrilla will grow and will use resources needed other plants in the pond.
Explanation:
As from the description mentioned, hydrilla have the capability to grow quickly in warm environments.
When hydrilla will be thrown in a pond, the conditions in the pond will be favourable for its growth. As a result, the population of the hydrilla plant will start to grow. The hydrilla plant may overpopulate the aquatic ecosystem. Due to this, the resources for other plants will become depleted and hence the aquatic community will become unstable.
Ответ:
F = ma
We are given with the force and the mass, so
6 N = 6 kg a
a = 1 m/s2
The change in velocity can be solve using this formula
FΔt = mΔv
6N (2s) = (6 kg) (Δv)
Δv = 2 m/s