Develop an argument as to whether congressional oversight of federal agencies, including the appropriations process, acts as a sufficient check on the power of the executive branch as envisioned by the framers

Ahummingbird travels from plant to plant to feed itself. which of the following ecosystem services does this hummingbird most likely provide? i. pollination ii. seed dispersal iii. soil preservation i only ii only iii only i and ii only ii and iii only