EARJ's Group 4 Picture Page
Rodolfo Guerra(left) and Fabio Oliveira(right) set out to measure the frequency and amplitude of the waves.
Leonardo P. de Oliveira(left) and Gunnar Vikberg(right) analyze the pH of the water from Grumari Beach.
Leonardo P. de Oliveira measures the temperature of the water at the high intertidal.
Gunnar Vikberg analyzes the pH of the salt water with a pH kit.
Gunnar Vikberg shows the test tubes containing the salt water and the indicators.
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