My answer would be A for this question. Hope this helps.
Children at ages 1 – 7 only
cares about playing. This is the range of age where utmost care is exhibited.
When they reach their pre-teen period, they slowly are aware of the
surroundings around them. By the time they reach their teenage years, they are
now conscious of their physical appearance and are conscious. You must guide
them what they are seeing and point out things that are good or bad.
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Ecological systems often remain in balance if only one factor is altered.
Answer:
Hope these help
Explanation:
Matter is important to science
The properties of matter are important.
The metric system helps with measurement.
The tip of a pencil is one centimeter long.
A gram is very lightweight.
Most grocery stores have two-liter cokes.
Tiny rocks may be a millimeter long.
Celsius is one way to understand temperature.
Fahrenheit measures temperature.
Weight is an important factor for our health.
It's the first one, prokaryotic cells don't have membrane bound organelles, including the nucleus