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Levart [38]
3 years ago
14

A 2-year-old human's brain is _____ percent of the adult brain's weight. 55 65 75 80

Biology
1 answer:
bija089 [108]3 years ago
3 0
The answer to this question would be 75%

At 2 years old, the human brain is already 75% of adult weight. It will be still growing and at 6 years old age it will become 90% of adult weight. The skull will also grow at the same rate because it has to accommodate a space for the brain to grow. That is why the suture joint of the skull in children is not completely closed.
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Which came first: sexual or asexual reproduction?
cupoosta [38]

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8 0
3 years ago
What do we call female reproducyive part ??​
Setler [38]
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4 0
3 years ago
What is the difference between material resources and energy resources??
givi [52]
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3 0
2 years ago
A scientist is observing a worm that was found inside a host. The worm that's an outer body that is smooth and soft. Which worm
saw5 [17]

Answer:

your answer is tape worm i know this because tapeworms take over inside of a host and its body is smooth and soft.

Explanation:

4 0
3 years ago
Read 2 more answers
1. Annual plants continue to grow indefinitely after flowering. True / False.
snow_tiger [21]

Answer:

1. false

2. true

3. true

Explanation:

1. Annuals are the plants that complete their life cycle in one season or one year. These are the herbaceous plants that grow, flower and die in one season. Examples of annuals are geranium, marigold, etc.  

2. In a flower, the whorl of petals is called corolla while the whorl of the sepal is known as calyx. In flowers, calyx and corolla together make perianth. The calyx is outer to corolla in a perianth.  

3. The fruit is a matured and ripened ovary that provides protection to the seeds present in it. Fruits are formed after fertilization and may contain one or more seeds. Tomatoes are the simple berry fruits while cucumber is pepo, the modified berries. Broccoli is the flower head while celery is the edible leaf.  

4 0
3 years ago
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