One living plant leaf, still attached to the plant, is placed into a cup and covered with water. A light source is placed above the cup shining into the cub of water so that the leaf receives the light. In moments, bubbles appear at the surface of the plant leaf. Group of answer choices:

photosynthesis is occuring and bubbles of oxygen gas are being released by the leaf into the surrounding area

photosynthesis is occuring and bubbles of carbon dioxide released by the surrounding area and absorbed into the leaf

photosynthesis is occuring and bubbles of carbon dioxide gas being released by the leaf into the surrounding area

photosynthesis is occuring and bubbles of air are entering the water from the area around the plant

4.06 hc)a five-year review of threats to the southern resident orca population of the united states concluded that the top threats were prey availability, contaminants, and effects from recreational and whale watching vessels. further down the list are oil spills, disease, and effects from commercial vessels not targeting whales. how might this list be different if it were for transient whale populations, which have a larger average population size and live farther offshore in open waters? a)the transient population is more likely to be affected by contaminants. b)the transient population is less likely to be affected by whale watching vessels. c)the transient population is more likely to be affected by disease. d)the transient population is less likely to be affected by prey availability.

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?