The phrase "adds evidence" is correct and can be used in written English.
You can use it to indicate when additional evidence is being presented to support a particular point. For example, "This new study adds evidence to the growing body of research on the effects of climate change."
Every mistake he makes adds evidence to the argument that he's not ready for this.
Being labelled a metropolitan elite by leavers hurts, and if you've misjudged the mood of the country it only adds evidence that this might in fact be true.
"This latest report adds evidence that we are in an acceleration of inflation at all stages," said James W. Paulsen, the chief investment strategist for Wells Capital Management in Minneapolis.
Helping to dispel the notion that reading on mobiles is difficult, Worldreader adds evidence that reading in Kenya, even on small feature phones and eReaders, can be enjoyable and beneficial to young learners.
The report comes a day after a private industry index measuring manufacturing rose last month to the highest level since November and adds evidence factories may be recovering from their slump.
Our study adds evidence to the critical role of self-regulation in MCL learning.
This result adds evidence to the hypothesis of preferential processing of relevant threat-related information.
Researchers have developed a simple technique that adds evidence to the theory that the Universe is flat.
Finally, this study adds evidence from two Eastern European contexts to a body of research that is scarcely represented in the region.
In conclusion, our case, pheochromocytoma multisystem crisis, adds evidence to the utility of SVV in determining the amount of fluid infusion even in conditions of hemodynamic instability.
The observed increase in the asphaltenes content on heating under inert atmosphere adds evidence that indicates that oilsands bitumen-derived materials are heat sensitive [9].
