some list of different landforms and waterforms.

16. REFERENCES
• http://www.classic-play.com/wp-content/uploads/2012/12/06-_MG_6315-e1356007670682.jpg
• https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=0ahUKEwjlgdiFlOTSAhWGa7wKH
RqLCcsQjBwIBA&url=http%3A%2F%2F1.bp.blogspot.com%2F-0rK5KodimcY%2FU-
4KttLTAsI%2FAAAAAAAAAhk%2FxCbbIcOUqko%2Fs1600%2Fchocolate%252Bhills.jpg&bvm=bv.149760088,d.dGc&psi
g=AFQjCNF0ij_Nk8V6uzcZ7A1_q6JT3R8qFw&ust=1490067425154483
• https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=0ahUKEwjc-
7S7lOTSAhWJTLwKHS7rBl8QjBwIBA&url=https%3A%2F%2Fspiritedthoughts.files.wordpress.com%2F2012%2F06%2Fi
mg_2493.jpg&bvm=bv.149760088,d.dGc&psig=AFQjCNEqLb19Xl7f-9sSp1IQYCBV0mHjRQ&ust=1490067528779650
• https://i.ytimg.com/vi/RVMKzxtJAto/maxresdefault.jpg
• https://jcruz661.wikispaces.com/file/view/Plains%203.jpg/380675362/Plains%203.jpg
• https://spiritedthoughts.files.wordpress.com/2012/06/img_2493.jpg
• http://www.privateislandsonline.com/content/listings/1444/cimage_12db537f95-thumbb.jpg
• https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=0ahUKEwiz-
N6tluTSAhUGwrwKHXStDSsQjBwIBA&url=https%3A%2F%2Fstatic2.imaggeo.egu.eu%2Fmedia%2Fuploads%2F2014%
2F02%2F28%2F4cbe0d94a39e5463b00b9d3030bd8ca2.jpg&bvm=bv.149760088,d.dGc&psig=AFQjCNHTbAMX3m2Gz
QvJCFiga9I-9Vijkg&ust=1490068059342597
• http://static4.businessinsider.com/image/564dad93dd0895c8608b460b-2400-1902/cropped-western-europe-earth-
night-relief-map-anton-balazh-shutterstock_133120046.jpg
• https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=0ahUKEwiNmbSs4OTSAhVBtJQK
HcToD6EQjBwIBA&url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FBsqKTJtK_vw%2Fmaxresdefault.jpg&bvm=bv.1497600
88,bs.1,d.dGc&psig=AFQjCNE3gObckh_Th0setC0vx5XufkumqQ&ust=1490087950169537
• http://www.easynotecards.com/uploads/985/61/_4a88b4c5_140c98ff4b1__8000_00000758.jpg
• https://pixabay.com/p-1270345/?no_redirect
• https://www.priceoftravel.com/wp-content/uploads/2015/11/IMG_4448Lo_20141129130624-1024x665.jpg
• http://www.kelmagasin.com/img/logo/waterform.gif
• http://4.bp.blogspot.com/-gVRVvnL0QUg/UjLeOk8uhBI/AAAAAAAADBA/mqoRv1WDdQo/s1600/OCEAN1.jpg
• http://www.michiganlakerealestatehomes.com/shared/fs/0380/038000001/lakes11112010%20160.jpg
• http://wallpaper-gallery.net/single/hd-sea-wallpaper/hd-sea-wallpaper-18.html
• http://wallpapercave.com/wp/gl6RNlp.jpg
• https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=0ahUKEwjglZa17eTSAhXHtpQKHSsUBtQQjBwIBA&url=http%3A%2F%2Fwww.hdnicewallpapers.com%2
FWalls%2FBig%2FRive
• http://4.bp.blogspot.com/-BYh7v1wB314/Trza79BSDiI/AAAAAAAAIXk/Oeh4QAXs3HQ/s1600/IMG_7892.JPG
• r%2FRiver_From_Forest_Night_View.jpg&bvm=bv.150120842,bs.2,d.dGo&psig=AFQjCNEZu1op6U2qpD51g3RlQYwLfAzEqA&ust=1490091445812505
• https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=0ahUKEwiG58f_9eTSAhXHk5QKHTFWCrEQjBwIBA&url=http%3A%2F%2Fwww.pixelstalk.net%2Fwp-
content%2Fuploads%2F2016%2F04%2FBackgrounds-water-drop-wallpaper-pictures.jpg&psig=AFQjCNH8TwTpV6fWBHahz9hfmxLWc369iA&ust=1490093758759809