Questions

Magma is injected into surrounding rock forming an igneous intrusive.

Actually it is a plutonic formation in which magma present beneath Earth surface deforms the shape of rocks present above it
 

Neurons are the functional units of the nervous system in the body.

The Institute of Chartered Accountants of India (ICAI) elected Nilesh Shivji Vikamsey as president and Naveen N D Gupta as vice-president. They have been elected for the year 2017-18. Vikamsey, who served as vice-president, has been a member of the ICAI since 1985. Gupta has been a chartered accountant for more than 20 years.

a.Direct interaction with customers: The retailer acts as the final link between the organisation and its customer. The retailer knows his customer better than anyone. He even suggests the customer what to purchase and allows him credit facilities to encourage frequent buying behaviour in the customer.

b.Small purchases: The customer purchases goods in small lots from the retail stores. So there are frequent visits to the retail store by the customer.

c.Instrument of marketing communication: via which information about the product is disseminated to the needy customers

Fouaad Mirza is related to the game Equestrian. His show wins first medal to India in equestrian game. He clinched silver medal in the individual event of equestrian game in the Asian games 2018. 

Fouaad Mirza belongs to Bangaluru.

This is a common error while compiling C program in Linux. This error occurs when you are using pthread_create function to create threads in your programs.

To fix this problem ensure following points:
Include header file pthread.h in your program.
Add –lpthread linker flag with compilation command.
1- Include Header file
#include <stdio.h>
#include <pthread.h>
...
...
2- Compile command
gcc main.c -o main -lpthread