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kherson [118]
3 years ago
14

Which factor can potentially increase a teenager’s alcohol use?

Biology
1 answer:
Flauer [41]3 years ago
3 0

Answer:

A teenager's decision to drink alcohol can be influenced by: early introduction to alcohol. exposure to adult binge drinking or alcohol dependence. access to alcohol from parents and others.

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What is parthenogenesis? give an example
ANEK [815]

Answer:

It's a form of asexual reproduction!

Development of the offspring happens without fertilization in this type of reproduction.

The two main ways in which parthenogenesis happens is by apomixis or automixis. Through apomixis , the egg cells are produced by mitosis. Through In automixis, egg cells are produced by meiosis.

Mitosis = a part of cell cycle: replicated chromosomes are separated into 2 nuclei

Meiosis = type of cell division that reduces the chromosome number by half. So now there is four haploid cells that are  genetically distinct from their parent cell.

Example:

An example of an animal that can use this reproduction is a bonnethead shark! Once a shark had a baby in a tank that only had three females!

(read about that on wikipedia)

3 0
3 years ago
Ridges of tissue on the surface of the cerebral hemispheres are called ________.
kogti [31]
The undulations on the cerebral cortex (the outer layer of the brain) are called gyri (ridges) and sulci (gorges). Also called the grey matter, the cerebral cortex is the core of brain functioning region with approximately 20 billion neurons. 
It is believed that the cerebral cortex is highly folded to accommodate many neurons.
4 0
4 years ago
Global climate change is the result of increasing levels of carbon dioxide, methane, and other greenhouse gases in Earth's atmos
jok3333 [9.3K]

Answer:

c

Explanation:

Ocean acidification is occurring because excess carbon dioxide (CO2) in the atmosphere is being absorbed at the surface of the ocean at an increasing rate. This excess CO2 results in more hydrogen ions, which increases the acidity of the ocean.

8 0
3 years ago
What is the unit for frequency?
Marina86 [1]
If you are talking about frequency in terms of waves, it is in seconds^-1
4 0
4 years ago
Read 2 more answers
Seed-bearing plants differ from all other plants in that__. a. they have only xylem and no phloem.. b. they have a gametophyte g
saw5 [17]
The answer is c. their gametes do not require water for fertilization to occur.



<span>Fertilization is the process in which two gametes fuse which first creates a zygote and then leads to the development of an embryo. Pollination is a transfer of male pollen to the female reproductive organ. </span><span>After pollen lands on the stigma, pollen tube begins to grow until it reaches an ovule which is inside the ovary. A nucleus of pollen will fuse with a nucleus of the ovule and that fertilization will occur. </span>
8 0
4 years ago
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