You are presented with the question "What are generally bigger and deeper than small fresh water ecosystems?" and the following answer choices: - puddles - wetland - complex - streams - lakes - rivers - creeks - fens Now knowing that lakes are generally bigger and deeper than ponds and some of the best work in ecology has been done on small fresh water pond ecosystems, choose the best answer.
lakes

You are presented with the question "What is a tape measure used for?" and the following answer choices: - in the frog family - how long something is - Males and females - how dense something is - the texture of something - how much liquid there is - objects that have mass - lowered energy cost Now knowing that atape measure is used to measure length and length is how long something is, choose the best answer.
how long something is

You are presented with the question "What can fatty acids be combined with, in addition to carbon and oxygen?" and the following answer choices: - Sodium - Energy. - glucose - Carbon Dioxide - Fuel cells - Uranium - Hydrogen - Energy Now knowing that lipids may consist of fatty acids alone, or they may contain other molecules as well and lipids Lipids are also composed of carbon, oxygen and hydrogen, choose the best answer.
Hydrogen

You are presented with the question "What can cause respiratory issues?" and the following answer choices: - smoking tobacco - a pathogens - Microscopic organisms - Normal humidity - some viruses - Clean air - smoking pipes - Mild weather Now knowing that amold spore has a negative impact on the respiratory system and mold spores, for example, are microscopic, choose the best answer.
Microscopic organisms