Folding an object causes that object to change shape, and side chairs fold for easy storage. Given these facts, what can change shape among the following options: - A Greek letter - side chairs - a television - a prism - pavement - streams. - streams - cars
side chairs

(Question)
Cutting down trees has a negative impact on an ecosystem, and all oaks are trees. Given these facts, what has a negative impact on an ecosystem among the following options: - planting trees - cutting down oaks - Destroy bridges - planting oaks - adding habitat - deforestation - massive damage - Pesticides
(Answer)
cutting down oaks

Ques: Sedimentary rocks are formed by deposition, and limestone is a type of sedimentary rock. Given these facts, how is limestone formed among the following options: - In sediment - Deposition. - Metamorphic processes. - Igneous processes. - Magma processes. - less water - Water expanding - It expands
Ans: Deposition.

(Q).
Energy enters ecosystems in the form of sunlight or chemical compounds, and energy requirements Energy is required for both growth and maintenance. Given these facts, what do ecosystems use sunlight for among the following options: - recovery - food - darkness - growth - trials - pain - stay warm - Cooking
(A).
growth

Ques:Harming an animal species causes that animal 's population to decrease, and studies of island populations have shown that extinction rates increase as area decreases. Given these facts, what to an animal species causes increase in extinction rates among the following options: - promoting - Pesticides - viruses - saving - harming - helping - wind - chickenpox

Ans:harming

Question: Platypus females lay their eggs in a burrow, and burrows are constructed in soft soil. Given these facts, where do platypus females construct their homes for egg laying among the following options: - loose dirt - out in the open - loose soil - Summer - rocky areas - autumn - soft soil - compacted soil
Answer:
soft soil