Greenhouse gases help in maintaining the earth's temperature. Due to excessive use of fossil fuels, industrial pollution and various other activities, the amount of greenhouse gas emissions has increased leading to global warming. Scientists have been constantly monitoring the challenges.
Which of the following is incorrect information about global warming?
А
B
The climatic changes may become more erratic and cause irregular seasonal events.
The glacier retreat is changing the water availability for animal and plant consumption
The rising sea levels can cause habitat destruction
The upper layer of the atmosphere called Stratosphere is heating up
C
D

Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10

Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings

Forensic scientists think they know the identity of a skeleton. what rule should they use to select a relative whose dna could be used to try to confirm the identity?