Ken enjoys bird watching. every summer, he sees many ruby-throated hummingbirds in his garden. however, during the winter, he never sees any ruby-throated hummingbirds. which of the following is a testable hypothesis that ken could make to explain the winter absence of the hummingbirds?

Kendra has the ability to cover a distance in a short period of time. she is said to have a lot of agility power strength

What is a food web? a. the structure used to trap food b. a set of complex carbohydrates c. a group of interconnected food chains d. the pattern of food nutrition

The image shows a sandstone formation with visible bands of different colors. what do the bands indicate about how this sedimentary rock was formed? choose two answers. a). the rock was made from more than one material. b). water was absent during the compaction and cementation process. c). sediments and other matter were deposited in layers before lithification. d). the rock was stretched horizontally by the pressure from surrounding rocks. e). layers of hot liquid in the rocks cooled and solidified at different tempatures