12 December 2017 4 4K Report

If it is of a free origin, I would like to answer it according to a scientific source, because I need to do this research

More Salam Zidane Khalifa's questions See All
Can a genetic analogy be made between tilapia and carp?

Is it possible to conduct a genetic observation between tilapia and carp Or there are differences between the number of chromosomes The purpose of the sampling procedure is correct to improve the...

04 May 2018 3,466 1 View

What actions can we take to control the behavior of children in order to develop a generation of leadership, science and culture compared to previous?

What actions can we take to control the behavior of children in order to develop a generation of leadership, science and culture compared to previous centuries?

03 April 2018 8,685 6 View

Which is better in plastic pipes or steel pipes in fish projects What is their effect on fish?

Which is better in plastic pipes or steel pipes in fish projects What is their effect on fish?

02 March 2018 3,429 2 View

Are there studies on industrial kidney innovation? Or is there a scientific industrial kidney and what is its method of operation?

Are there studies on industrial kidney innovation? Or is there a scientific industrial kidney and what is its method of operation?

02 March 2018 9,497 4 View

What are the reasons that led to the failure of the closed system used in fish breeding in most Arab and foreign countries?

What are the reasons that led to the failure of the closed system used in fish breeding in most Arab and foreign countries?

02 March 2018 9,236 8 View

Which is better in plastic pipes or steel pipes in fish projects What is their effect on fish?

Which is better in plastic pipes or steel pipes in fish projects What is their effect on fish?

02 March 2018 5,071 11 View

What are your ideas about the work of the machine to rotate water in fish ponds without the need for an electrical or oil source? Your opinions?

I would like to hear your opinion about the mechanism of making a machine that is used to rotate the water in order to raise the oxygen level in lakes and ponds? What are your ideas?

02 March 2018 2,148 8 View

Who has the book of animal production?

Who has the book of animal production?

01 February 2018 2,750 0 View

What are the reasons behind the low levels of the Tigris River? It is causative What are your solutions?

What are the reasons behind the low levels of the Tigris River? It is causative What are your solutions?

01 February 2018 4,602 0 View

How to build an ongoing relationship on love and respect between spouses and their inheritance to children Your opinions?

How to build an ongoing relationship on love and respect between spouses and their inheritance to children Your opinions

01 February 2018 1,999 8 View

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