Adissolved oxygen meter important to monitoring the health of a local pond because
a) aquatic life cannot survive in water that is too warm.
b) anaerobic conditions are unsuitable for most aquatic life.
c) most plants and fish need a low level of turbidity to survive.
d) the dissolved oxygen meter is an effective tool in detecting changes in ph.

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

What evidence could be used to convince policy makers to change a shipping lane from going through a whale breeding ground? information on the number of all whale species currently alive information on the number of all whales hit by boats in the given area information on the number of whale deaths in the world's oceans information on the number of whale offspring born every year. (a) scientists could collect and combine data on fish populations all around the world to show that their populations are declining. (b) scientists collect and combine data on fish populations all around the world to show that their populations are increasing. (c) scientists work together and use past data to show that fish populations are becoming locally extinct in some areas. (d) scientists work together and use past data to show that some fish populations are adapting to environmental changes.