Marine science Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. But in 1938, a live coelacanth was discovered off the coast of South Africa. What goal of science does this discovery represent?

a. Building knowledge and understanding of the natural world

b. Developing new applications and technology

c. Explain the super natural world

d. Seeking absolute truths

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.

2. which is the last step in the scientific method?