I’d go with c)
This is kind of controversial currently because there are different defintations of language but poplular opinion is tools first. Think apes are using rocks to open shells or something before they really communicate.
Size of brain definitely increased tho
1. (C) estimating the distance to an unfamiliar object.
2. (C) hominoids
3. (B) in trees
4. (B) was found with tools made from stone and bone.
5. (A) support the multiregional model.
Answer:
The correct answer is option - A.
Explanation:
As it is mentioned in the question itself that each haploid strain are not able to produce arginine, and cross of the haploid strain to other haploid yeast strain produce the yeast offspring that can produce arginine.
This establishes that the mutations in deficient strains are on different genes so the F1 progeny has a copy of each gene is functional so synthesizing arginine is completed.
Thus, the correct answer is option A.
B. He found similar fossils on different continents that are separated by oceans.
The two instruments that made navigation much easier in the 1900s were Global Positioning Satellite (GPS) and two-way radio.
