rebut an essential element of the plaintiffs case by proof of other facts. Id. The instruction is most often used to inquire about the causal effect of some physical condition or circum stance such as fog, snow, sleet, wet or slick pavement, or obstruction of view or to resolve a case involving a very young child who is legally incapable of negligence. Reinhart, 906 S.W.2d at 472. It is within the trial court’s discretion to submit an unavoidable accident instruction when the evidence supports the conclusion that no one was negligent. Accord In re V.L.K., 24 S.W.3d 338, 340 (Tex.2000) (explaining that trial court’s decision to submit or to refuse a particular jury instruction is reviewed under an abuse of discretion standard); La.-Pac. Corp. v. Knighten, 976 S.W.2d 674, 676 (Tex.1998) (<HOLDING>). Here, although the trial court did not submit
recognizing that a district attorney must have reasonable latitude in fairly presenting a case to the jury and that the trial judge must have reasonable discretion in deciding whether the bounds of propriety have been exceeded recognizing that trial court possesses considera ble discretion to determine necessary and proper jury instructions holding that a jury is presumed to follow the trial courts instructions recognizing that trial courts have great latitude and considerable discretion to determine necessary and proper jury instructions holding that trial court retains wide latitude and considerable discretion to limit crossexamination internal quotation marks omitted