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alexira [117]
3 years ago
15

During weeks 17-20, quickening occurs, which is when the

Biology
2 answers:
Lesechka [4]3 years ago
8 0

A:    <em>D.  mother is able to feel the fetus move inside her womb</em>

E:     <em>ED20 CA-Psychology</em>

serg [7]3 years ago
6 0
I think it is A. they can start to hear sounds at 20 weeks
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Why do farmers want their plants to do as much photosynthesis as possible?
Mazyrski [523]
Farmers want their plants to photosynthesise as much as possible in order to increase their crop rate.

Without enough light, a plant cannot photosynthesise very quickly, even if there is plenty of water and carbon dioxide. Increasing the light intensity will boost the speed of photosynthesis.

Sometimes photosynthesis is limited by the concentration of carbon dioxide in the air. Even if there is plenty of light, a plant cannot photosynthesise if there is insufficient carbon dioxide.

If it gets too cold, the rate of photosynthesis will decrease. Plants cannot photosynthesise if it gets too hot.

Farmers can use their knowledge of these limiting factors to increase crop growth in greenhouses. They may use artificial light so that photosynthesis can continue beyond daylight hours, or in a higher-than-normal light intensity. The use of paraffin lamps inside a greenhouse increases the rate of photosynthesis because the burning paraffin produces carbon dioxide, and heat too.


7 0
3 years ago
PLS HELP TIMES TEST I HAVE 49 MINUTES LEFT AND THERES 41 QUESTIONS IM ON 14
schepotkina [342]

Answer:

1: The mRNA would not be sythensised

Explanation:

RNA polymerase - used in transcription to initiate replication of mRNA.

If mutated then it will result to no mRNA synthesied????

6 0
3 years ago
What body parts are held together by ligaments?
Gennadij [26K]
They are connecting bone to bone forming joints<span />
7 0
3 years ago
In what type of cell does the cell wall take place of the membrane?
kirill115 [55]

Answer:

A) Plant Cells

Explanation

Cell walls are only found in plant cells and are used primarily to create structure, but cell membranes are found in all cells.The bulk of the membrane is composed of a double layer of lipids called the lipid bilayer. Inside the bilayer there is a layer of cholesterol to keep the membrane fluid.

4 0
3 years ago
Match the description to the level of organization.
IgorC [24]

The level of organization is matched as:

Cell - basic unit of structure and function of all  living things.

Tissue - group of cells that work together to perform  a common function

organ -group of tissues that work together to  perform a common function

organ system : group of organs that work together to  perform a common function

Explanation:

The organ level of organization is the combination of two or many types of cells which allow a specific function to the different organs in the body.

Cell is the smallest structural and functional unit of life which has independent machinery for growth and other life processes. The next level of organization is formed at cellular level.

The tissue level organisation refers to group of cells theta are specialized for specific functions.

The organ level is when 2 or more tissues come together to perform specific functions.

The organ system: It is the assembly of organs which combine to perform a same  functions for example urinary bladder, ureters, urethra and kidney makes excretory system or organ system of kidneys.

8 0
3 years ago
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