Question

How can you study the changes in the environment during different geological periods? Discuss the impact of Tourism on the environment

31 May 2017
Answer :
Word Count : 966

Studying the changes in the environment during different geological periods involves a variety of scientific methods that help to reconstruct past climates, ecosystems, and geological processes. Researchers can gain insights into environmental changes by examining various natural records such as rocks, sediments, ice cores, tree rings, and fossils. These records provide valuable information about the Earth's atmosphere, temperature, biodiversity, and other ecological factors over millions of years.

One of the primary methods for studying environmental changes during geological periods is the analysis of sediment cores extracted from lakes, oceans, and glaciers. These sediments accumulate over time, trapping particles, organic material, and chemical compounds that reflect the environmental conditions of the period in which they were deposited. By studying the layers of sediment, known as stratigraphy, scientists can reconstruct a chronological sequence of past climates and ecosystems. The type of sediments found, such as clay, sand, or limestone, can indicate whether the region was once covered by water, was part of a desert, or experienced forestation.

Ice cores are another key resource for understanding past environmental conditions, particularly in relation to global climate change. Ice cores, taken from glaciers in polar regions, contain trapped air bubbles, which provide a record of atmospheric composition, including concentrations of greenhouse gases like carbon dioxide and methane. By analyzing the composition of these gases, researchers can infer past global temperatures and climate trends over time. These ice cores, along with tree-ring data, provide a high-resolution record of environmental change, often extending back tens of thousands of years.

Fossils also play a crucial role in studying changes in the environment. Fossils of plants, animals, and microorganisms can reveal information about past ecosystems and the climatic conditions they thrived in. For example, the presence of certain species of plants can indicate the temperature or humidity of the environment during the time they lived. Additionally, the study of ancient animal bones and other remains helps scientists understand the composition of past food webs and how species

__________ __________ __________ __________ _______ _____ ________ ______ _____ ______.
_________ ______ _______ _______ ____ ____ ______ ___ _______ ____.
__________ _________ _______ ______ ______ ________ ____.
_____ ________ ________ _________ _______ ______ ___ ________ ____ ________ _________.
________ _____ ____ ___ _________ ________ ____.
______ ___ __________ __________ __________ ___ _______ _____ _______ ________ _______ ________.
_______ _________ ______ ______ _____ _________ __________ ______ __________ ______ ___.
______ ________ ______ _________ _________ __________.
_________ _______ _______ _____ ______ ________ ____.
_______ _______ _____ ___ _____.
________ ________ __________ __________ ______ ________ ____ ________ ___ ____ ______.
_____ ____ ___ __________ _________ _________ _________.
____ _____ ___ _________ _______ _____ ___ _____.
________ _______ __________ _______ __________ ________ _______ __________ ________.
___ _______ _______ ________ _______ ___.
_________ _____ ______ ______ _______ __________.
________ _________ _____ ____ ______ ______ ___ ________ _______ ______ _________ _________.
___ ________ ____ ______ __________ __________ ____.
_____ ____ ______ _____ ___ _________ _______ _________ _________ ____.
__________ ______ _____ ____ __________ _________ ____ ______ __________.
__________ ________ __________ ___ _________ ___ ____.
__________ _________ ________ ______ _____.
_______ _____ _____ ____ ____ __________ _______ __________ _________.
____ _____ ____ _________ _______ _________ ________ ________ ___ __________.
_____ __________ ______ ________ __________ _______ ___ ____.
______ ___ ___ ________ ________.
_______ ________ _______ _____ _______ _____ _____ _____ _______.
________ _____ _____ __________ ___ ________ _________ _______ _____ _______ ________ __________.
_______ ________ _________ ____ ______ ________ _________ ___.
___ _______ ___ ______ _____ _____ ____ _________ ________ _______ ________.
_____ _____ ______ ___ ______ ________ ________ _______ _______ __________.
_________ ________ _______ ________ ________ _________ _________ ________ ___ _________ _________.
_____ ______ ___ ______ ________.
___ _____ _______ ______ ___ ________ _________ ________ __________ _______ ___.
______ ________ __________ ______ ________ ________ ______ __________ ________.
___ ___ ___ _________ _____ __________ _______ _________ ____ ______ ____.
________ _____ ________ _____ __________ ______ ______ ______.
___ _________ __________ ______ ________ _____ _________ ______ _____.
___ _________ _________ _________ ________ _________ _____ ___ __________ _____ ___ _____.
____ ____ __________ ________ ________ ____ __________ ________ ____ ______ ___.
_____ ______ _______ _____ __________ ______ _________ ___.
______ __________ _______ ____ _______ ____ ________ ______ ___ _____.
___ __________ ________ __________ _______ _____ ___ ____ ___ _________.
____ _________ _________ ____ ______ _________ __________ _______ _______.
____ ____ ___ _________ ____ ____ _____ _____ ____.
_____ ______ _______ ________ _____ _________ __________ __________ _________ _________ __________.
_________ ___ ________ __________ ____ __________ _____.
__________ _____ ______ ________ ___.
_____ _________ _______ ____ _________ ___ _______ _________ __________ _____ ________ _______.
___ ____ _______ _______ __________ _________ ______ ____.
_____ ___ ____ ______ _________ _______ ____ _________ ____.
____ ______ ____ __________ ______ __________ _______ _________ __________ _____ ________ _________.
____ __________ ___ ________ _____ __________ ______.
_________ _______ __________ __________ _______.
________ __________ ___ _____ _________ _________ ___.
__________ _____ __________ _________ ___ ____ _______ _______ ______ __________ _____.
_______ _____ ___ __________ _____ _______ ______ _______ ______ ___ _____.
____ ____ ______ ___ _____ _______ _______ ____ ____ __________ _______ ________.
___ _________ _________ _____ __________ _______ ___ ___ __________ ____.
_____ ______ _______ _______ ________ _________ _____ _________ ___ __________.
______ ________ __________ __________ _____ ____ _______.
_________ ____ _________ ____ ______ ___ _________ __________ _______ _________ ____ ___.
___ __________ ________ ________ _______ ___ ____ _________ _________ _________ _________.
_______ ______ _______ _____ _____ _______ ________ _________ ________.
____ ________ _______ __________ ______.
__________ ________ __________ __________ ____.
__________ _________ ___ __________ ___.
___ _______ _______ _____ __________ ______ __________ _________ ______ ______ _________ ______.
_____ ____ ________ ___ _________ ____ ______ ____ ____ ________.
___ _________ __________ _____ ________ __________.
__________ _______ _______ __________ ______.
__________ _______ ___ _______ ________ _______.
_________ ___ __________ _____ ___.
_______ __________ _____ ________ _________.
IGNOU ACADEMY
Your IGNOU journey, made easier.
  • Solved Assignments
  • Study Notes
  • Guess Papers
  • Question Papers
Skip in 10
Top
📞
Call Support Instant phone assistance IGNOU TS 5 2011 - How can you study the changes in the environment during different geol | IGNOU Academy
→
🟢
WhatsApp Chat Fast live messaging
→
Email Us Business enquiries & support
→