Adrian is a researcher who works in a lab. he decides to perform an experiment to understand the side effects and benefits of drinking tea. he puts f
some questions about the experiment. they include, do people who drink tea have a higher risk of brain illnesses than non-tea drinkers? and do
people who drink tea stay more alert than non-tea drinkers? he also proposes a question, are people who drink tea happier than people who don't
drink tea 2

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.

What is a general feature of a species that varies from one individual to the next (skin tone,eye color or hair color)? a.organism b.trait c.character

Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings