The heart is an example of an organ.
Answer:
this tree tells us that the amnion is found in mammals, lizards, snakes, crocodiles, and birds
Explanation:
Answer: 14 more points
Explanation: Good luck! :D
Brayden and Gavin scored 49 points in all
Cole and Freddy scored 63 points in all.
63 - 49 = 14
Explanation:
(1) The conglomerate contains some nonsedimentary rock fragments. (2) The conglomerate was formed from material that was buried deep underground. (3) The conglomerate's pebbles are all weathering at the same rate.
Answer: Option A) Oxygen may not have been able to accumulate in the atmosphere
Explanation:
Ozone, O3, is an allotrope of oxygen having three atoms in the molecule instead of the usual two present in molecular oxygen. Ozone is generated from oxygen, and is the only form in which oxygen can exist in the atmosphere.
