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padilas [110]
2 years ago
14

3. Why is space waste so dangerous? *

Biology
2 answers:
weeeeeb [17]2 years ago
8 0

Answer:

It travels as fast as bullets and can hit satellites, shuttles, and the Space Station.

Explanation:

netineya [11]2 years ago
8 0

Answer:

it travels fast as bullets and can hit satellites, shuttles, and the space station.

Explanation:

thanks po......

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A sample of rock is found to contain 200 grams of a parent isotope.how many grams of the parent isotope will remain after one ha
emmasim [6.3K]

Answer: 100 grams of the parent isotope will remain after one half life.

Explanation:

Mass of the isotope present at initial stage = N_o=200 g

The mass of the parent isotope left after the time ,t=N

Time taken by the samle ,t = t_{\frac{1}{2}}

The half life of the sample :t_{\frac{1}{2}}

N=N_o\times e^{-\lambda t}

\lambda =\frac{0.693}{t_{\frac{1}{2}}}

\ln[N]=ln[N^o]-\frac{0.693}{t_{\frac{1}{2}}}\times t_{\frac{1}{2}}

2=\frac{[N_o]}{[N]}

[N]=\frac{N_o}{2}=\frac{200 g}{2}=100 g

100 grams of the parent isotope will remain after one half life.

5 0
3 years ago
Read 2 more answers
_______ is located in the anterior neck produces key hormones for metabolism
Lapatulllka [165]

Answer:

THYROID GLAND

Explanation:

Thyroid gland functions in metabolisms by activities of thyroid cells.This cells  withdraws  Iodine from metabolites and combine it with amino acid tyrosine  for  productions of Thyroid hormones:

ThyroxineT3,(20%)

TriiodothyronineT4(80%). This production is under the influence of Thyroid stimulating hormones,regulated by the pituitary gland,

T3 and T4  increase calorinogenesis, (liberation of heat from digestion to supply energy,and oxygen consumption of the heart.)

Deficiency of thyroid hormones are goiters, hypothyroidism, and hyperthyroidism

6 0
2 years ago
Please help me i’m confused
Fynjy0 [20]
It’s living vs non living
7 0
3 years ago
a plant forms new tissue at the tips of its roots and stems. this new tissue growth is a growth is a direct result of what
gulaghasi [49]
Cell division.

Hope this helps 


4 0
3 years ago
Of which domains are the prokaryotes members? A. Archaea and Bacteria B. Archaea and Eukarya C. Bacteria and Eukarya D. Bacteria
Gnoma [55]
Hey there 


the answer is A. Archaea and Bacteria 

hopes this helps u
6 0
3 years ago
Read 2 more answers
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