Type of essential organic compound that is used for structure and support as well as acting as catalysts. a. proteins b. carbohydrates c. nucleic acids d. lipids

Which of the following claims does the author support the least

Asap timed! 1. ice core samples from glaciers ice caps contain bubbles of ancient atmosphere that are in layers based on age. what questions are scientists most interested in? a. how the amount of water vapor needed to make the ice has changed b. how the amount of ozone has changed over time.c. how the amount of ice in each layer has changed over time d. how the amount of carbon dioxide has changed over time 2. what produces milankovich cycles ? a. sunspots ams solar flare on the suns surface b. changes in the earths orbit c. gravitational changes bases on the position of the sun and the moond. cycles of vegetation that result in desert and rainforest conditions

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?