If an object is moving with a force of 99n at 12.5m/sec2, what is the mass of this object?

what is the weight of a 55 kg mass?

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe

Of your good in bio kusing a series of preliminary observations; pstate a problem developed from these observations, formulate a hypothesis, design an experiment to test the hypothesis