Explain the difference between primary ecological succession and secondary ecological succession?

84

---

dear sir i m anshul kumar from dehradun i want to last five year railway chandigarh and allahabd entrance exam papers pls send it on my id my id is anshuldhiman83@gmail.com or anshuldhiman@rediffmail.com i shall be very greatful to u thank u

1895

---

Which of the following is not a right codename of android version?

470

---

Can we instantiate interface in java?

671

---

Which template engine laravel use?

452

---

---

Where is the root directory?

505

---

What is Implicit conversion in C#?

559

---

What is the use of Healing Brush Tool?

25

---

What is type conversion in java?

574

---

In which directory all external modules and files are stored in angular 4?

550

---

Give me an example of real web service?

342

---

What are the various functional components in javascript?

509

---

Purchase book is a ----------journal

1700

---

hi, waht is line item settlement,investment measure,manage historically helps in OAOA?

2244

---

What are xml applications?

432

---