Brainlies asap! what challenges did the united states face during reconstruction?

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

What molecules does hemoglobin decay into over time

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic