A urinalysis is a test that examines physical, chemical and microscopic aspects of urine. Examining urinary fluid can reveal much about the functioning of the body, as changes from the normal characteristics or appearance may reflect specific diseases. Currently, commercially-available chemical reagent sticks can be used to detect substances in urine. Of the following, which are substances that reagent sticks can test for? a. Substances produced by the body, and naturally found in urine.
b. Substances produced by the body, but not usually present in urine.
c. Substances not normally found in the body.
d. a. and c. only.

Populations of blue-winged warblers, a type of bird, migrate south in the winter and return to canadian breeding grounds in the spring. as global temperatures have increased due to climate change, spring has started arriving in the warbler's breeding grounds earlier in the year, before the warblers return. warblers now arrive at their breeding grounds too late to select ideal nesting sites and to feed on important early-spring food sources how are populations of blue-winged warblers most likely to be affected by the earlier arrival of spring? o a. populations will go extinct since the warblers will stop migrating to breeding grounds. b. populations will be unaffected since most species can quickly adapt to effects of climate change. c. populations will increase since warmer temperatures are generally beneficial to survival, d. populations will decline since individuals will be less likely to successfully reproduce, reset next

How do the sperm cells get from the stigma to the ovules?

What household products contain algae?