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lara31 [8.8K]
3 years ago
13

I need this ASAP In the first eight weeks the developing baby is call an embryo.After this it is called a fetus .It grows in the

____________connected to the____________by the Umbilical cord.It is through the cord that it gets its____________ and food and gets raid of its______________ and waste
Biology
1 answer:
Naily [24]3 years ago
3 0
 the answer  to your science question is the egg 

 the next answer is the  womb
 and  the last answer is oxygen
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What is the difference between arbitrary and natural levels? Why do these matter? (4) how do archaeologists recover the smallest
Vlada [557]

Arbitrary level refers to the fundamental vertical subdivision of an excavation square, implied only when easily identifiable natural strata are absent and when natural strata are more than ten centimeters thick.  

Natural strata refer to a vertical subdivision of an excavation square, which is reliant on the natural breaks in the sediments in terms of grain size, color, hardness, texture, or other features.  

It is important to know the difference between the arbitrary and natural levels as arbitrary levels could amalgamate artifacts from distinct natural levels, that is, of distinct geologic contexts.  

The archaeologists can recover the smallest ecofacts and artifacts with the assistance of flotation, screening, and bulk matrix processing


5 0
4 years ago
20. Ten horses sleep in the same
BabaBlast [244]

The horse has  a non-communicable disease.

Explanation:

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3 0
3 years ago
Is half-life is always given in units of time
alexandr1967 [171]
Yes. Half life or better known as Radioactive decay is measured in TIME. Such as seconds, minutes, hours, days, years ect...

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4 0
3 years ago
The immediate energy system (ATP-PC) relies on:
swat32

Answer:

c. the high-energy phosphates stored in muscle cells

Explanation:

Phosphocreatine (PC) or creatine phosphate is a compound rich in energy. It has energy stored in it which can be used to phosphorylate ADP into ATP. The phosphocreatine is stored in muscle cells when muscles are not working. The produced ATP serves as an energy source for muscle contraction. The creatine produced during ATP production is phosphorylated again into PC using ATP when muscles are resting.

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